Best pix of the week

In this Jan. 14, 2016, photo, preserved tadpoles of a frog named Frankixalus jerdonii, a new genus of frogs, are seen at Systematics Lab at the University of Delhi, Department of Environmental Studies, in New Delhi. Scientists have discovered the new genus of tree frogs in India thought to have been extinct for over a century. (AP Photo/Altaf Qadri)

An Indian soldier stands underneath a multi barrel rocket launcher during a rehearsal for the Republic Day parade in New Delhi, India, Thursday, Jan. 21, 2016. India celebrates Republic Day on Jan. 26 every year, highlighted by a march past by different branches of the military as well as a display of arms and missiles. (AP Photo/Bernat Armangue)

A polar bear enjoys the cold winter weather at the zoo in Gelsenkirchen, Germany, Wednesday, Jan. 20, 2016. (AP Photo/Martin Meissner)

In this Jan. 7, 2016, photo, conservationists of Borneo Orangutan Survival Foundation hold a baby orangutan rescued along with its mother during a rescue and release operation for orangutans trapped in a swath of jungle in Sungai Mangkutub, Central Kalimantan, Indonesia. Last year's forest fires drove orangutans closer to the river bank, where they had to live in an over-populated swath of forest as thin as 30 meters wide along the river. (AP Photo/Dita Alangkara)

In this Jan. 5, 2016 photo, Marcela, a rebel soldier of the 36th Front of the Revolutionary Armed Forces of Colombia, or FARC, stands at the edge of a brook where she is preparing to bathe, near the guerrilla's group hidden camp in Antioquia state, in the northwest Andes of Colombia. The rebels inhabit an impenetrable forest with South Americas only bear, venomous snakes and 20 species of exotic frogs. (AP Photo/Rodrigo Abd)

A bird is silhouetted against the sunset on the outskirts of Islamabad, Pakistan, Thursday, Jan. 21, 2016. (AP Photo/B.K. Bangash)

The Pioneer Family monument on the mall of the state Capitol is covered in frost, Wednesday morning, Jan. 20, 2016, in Bismarck, N.D. (Tom Stromme/The Bismarck Tribune via AP) MANDATORY CREDIT

Folk artists from the western Indian state of Rajasthan pose for a photograph in front of a tableau depicting Jaipurâs famous Hawa Mahal, during a media preview of tableaus participating in the Republic Day parade, in New Delhi, India, Friday, Jan. 22, 2016. Security has been tightened around the Indian capital as well as across the country ahead of Republic Day celebrations, held each year on Jan. 26 (AP Photo/Manish Swarup)

Warm dressed people take photos on a bridge over the river Thames in London, Wednesday, Jan. 20, 2016. Temperatures in London dropped below zero, the lowest this winter yet. (AP Photo/Frank Augstein)

This combination of two satellite images provided by DigitalGlobe, taken on March 31, 2011, top, and Sept. 28, 2014, shows the site of the 1,400-year-old Christian monastery known as St. Elijahs, or Dair Mar Elia, on the outskirts of Mosul, Iraq. These satellite photos obtained by The Associated Press in January 2016 confirm what church leaders and Middle East preservationists had feared: The monastery has been reduced to a field of rubble, yet another victim of the Islamic State's relentless destruction. (DigitalGlobe via AP)

A man prays in the Rome's main mosque, Friday, Jan. 22, 2016. Representatives of Italy's Muslim community have invited Pope Francis to visit the main mosque in Rome, just days after Francis paid his respects at the capital's main synagogue in a sign of interfaith friendship. (AP Photo/Alessandra Tarantino)

A California Highway Patrol investigator examines the scene of a fatal Greyhound bus crash, Tuesday, Jan. 19, 2016, in San Jose, Calif. The bus flipped on its side while traveling north on Highway 101, according to the San Jose Fire Department. (AP Photo/Noah Berger)

Floral Spinner is washed down after a Handicap Hurdle horse race during Classic Chase Day at Warwick Racecourse, Warwick, central England, Saturday Jan. 16, 2016. (David Davies/PA via AP) UNITED KINGDOM OUT NO SALES NO ARCHIVE

A jay picks kernels in the forest on outskirts of Novogrudok, 150 km (93 miles) west of the capital Minsk, Belarus, Sunday, Jan. 17, 2016. (AP Photo/Sergei Grits)

Citizens take 'selfies' on the seafront at the Corniche, or waterfront promenade, in Beirut, Lebanon, Tuesday, Jan. 19, 2016. Temperatures in Beirut took a dip reaching 10 degrees Celsius (50 degrees Fahrenheit) at night. (AP Photo/Hassan Ammar)

Snow slows down traffic on Interstate 40, Friday morning, Jan. 22, 2016, in Nashville, Tenn. A blizzard menacing the Eastern United States started dumping snow in Virginia, Tennessee and other parts of the South on Friday as millions of people in the storm's path prepared for icy roads, possible power outages and other treacherous conditions. (Andrew Nelles/The Tennessean via AP)

A man rides a horse through a bonfire as part of a ritual in honor of Saint Anthony the Abbot, the patron saint of domestic animals, in San Bartolome de Pinares, Spain, Saturday, Jan. 16, 2016. On the eve of Saint Anthony's Day, dozens ride their horses through the narrow cobblestone streets of the small village of San Bartolome during the "Luminarias," a tradition that dates back 500 years and is meant to purify the animals with the smoke of the bonfires and protect them for the year to come. (AP Photo/Francisco Seco)

A model presents a creation by Taiwanese fashion designer Brian Chen during the Fall/Winter fashion week in Hong Kong, Tuesday, Jan. 19, 2016. (AP Photo/Vincent Yu)

Indian municipal workers set up lights ahead of Republic Day parade celebrations in New Delhi, India, Thursday, Jan. 21, 2016. India celebrates Republic Day on Jan. 26 every year, highlighted by a march past by different branches of the military as well as a display of arms and missiles. (AP Photo/Bernat Armangue)

A researcher holds a container with female Aedes aegypti mosquitoes at the Biomedical Sciences Institute in the Sao Paulo's University, in Sao Paulo, Brazil, Monday, Jan. 18, 2016. The Aedes aegypti is a vector for transmitting the Zika virus. The Brazilian government announced it will direct funds to a biomedical research center to help develop a vaccine against the Zika virus linked to brain damage in babies. (AP Photo/Andre Penner)

Gorilla Sindy feeds her newborn baby at the Artis Zoo in Amsterdam, Netherlands, Friday Jan. 22, 2016. The baby was born Thursday after an eight-and-half month pregnancy, Sindy's fifth pregnancy, the first two babies died, her other two sons are still in the capital's zoo. The baby has no name yet as the gender is not yet determined. (AP Photo/Peter Dejong)

A Bangladeshi woman cleans the doorway to her home as a cat sits nearby early in the morning in Dhaka, Bangladesh, Thursday, Jan. 21, 2016. (AP Photo/A.M. Ahad)

An old "Tamborillero'' wearing his uniform marchs in the traditional "La Tamborrada'' the big day or "El Dia Grande", the main day of San Sebastian feasts, in the Basque city of San Sebastian, northern Spain, Wednesday Jan. 20, 2016. From midnight to midnight companies of perfectly uniformed marchers parade through the streets of San Sebastian playing drums and barrels in honor of their patron saint. (AP Photo/Alvaro Barrientos)

In this Friday, Jan. 15, 2016 photo, An Iranian snowboarder trains at Dizin Ski Resort some 72 kilometers (45 miles) north of the capital Tehran, Iran. Every weekend, the resort in the Alborz mountain range, north of Tehran, draws hundreds of skiers from the capital and other towns. (AP Photo/Ebrahim Noroozi)

A man walks away from the breaking waves during a cold front, on Havana's malecon, in Cuba, Monday, Jan. 18, 2016. (AP Photo/Ramon Espinosa)

A demonstrator carries a mock coffin, representing migrants who have died inside a detention center in Eloy, Arizona, Wednesday, Jan. 20, 2016. Colombian musician Juanes and singer John Legend met immigrants at the detention center before performing for a small crowd outside the facility to draw attention to immigration. (AP Photo/Ricardo Arduengo)

French Farmers block the RN12 road near Guingamp, western France, Friday, Jan. 22, 2016. About 60 tractors and about 200 farmers took part in Fridays protest, among several the farmers have carried out after, they say the French government has done little to help. The farmers want more help from the government, saying they cannot pay off their expenses because prices have stagnated or fallen while they face higher expenses than their competitors elsewhere in the European Union. (AP Photo/David Vincent)

Two visitors shake hands over the runway prior to the fashion show of designer Dorothee Schumacher during theFashion Week in Berlin, Wednesday, Jan. 20, 2016. The Fall/Winter 2016/2017 collections are presented during the Berlin Fashion Week from Jan. 18 to 22. (AP Photo/Markus Schreiber)

Indian military band practices ahead of Beating Retreat, held three days after Republic Day celebrations, in New Delhi, India, Tuesday, Jan. 19, 2016. India celebrates Republic Day on Jan. 26 every year and Beating Retreat on Jan. 29. (AP Photo/Saurabh Das)

A Russian Orthodox believer bathes in icy water on the Epiphany in the village of Sulost', near Rostov, northeast from Moscow, Russia, Tuesday, Jan. 19, 2016. Water that is blessed by a cleric on Epiphany is considered holy and pure until next year's celebration, and is believed to have special powers of protection and healing. (AP Photo/Pavel Golovkin)

A model wears a creation by British fashion designer Kim Jones for Louis Vuitton men's Fall-Winter 2016/2017 fashion collection presented in Paris, France, Thursday, Jan. 21, 2016. (AP Photo/Francois Mori)

A Bosnian man walks on a street in Sarajevo, Bosnia, on Tuesday, Jan. 19, 2016. A spate of wintry weather has hit eastern Europe over the weekend causing traffic havoc and power outages (AP Photo/Amel Emric)

In this Jan. 13, 2016 photo, a course worker uses a snowcat to clear a pile of snow at the ski slope for the upcoming official test event of the Pyeongchang 2018 Winter Olympics during a venue tour at the Jeongseon Alpine Center in Jeongseon, South Korea. Olympic course designer Bernhard Russi has "full confidence" that men's Alpine World Cup racers will go to South Korea next month for a 2018 Pyeongchang Games test event that was in doubt. Downhill and super-G races due Feb. 6-7 at Jeongseon were at risk from delays building a gondola to take people up the mountain. (AP Photo/Lee Jin-man)

Quechua women gather outside the National Congress before the State of the Nation address, in La Paz, Bolivia, Friday, Jan. 22, 2016. Bolivian President Evo Morales, who won re-election in 2014 to a third term with 61 percent of the vote, is marking 10 years as the leader of the South American country. (AP Photo/Juan Karita)

Belinda Bencic of Switzerland serves to Kateryna Bondarenko of Ukraine during their third round match at the Australian Open tennis championships in Melbourne, Australia, Friday, Jan. 22, 2016.(AP Photo/Aaron Favila)

A Russian Orthodox believer bathes in the icy water on Epiphany in the Neva River in St.Petersburg, Russia, Tuesday, Jan. 19, 2016. The temperature in St.Petersburg is minus 5 Celsius (23 Fahrenheit). Thousands of Russian Orthodox Church followers plunged into icy rivers and ponds across the country to mark Epiphany, cleansing themselves with water deemed holy for the day. Water that is blessed by a cleric on Epiphany is considered holy and pure until next year's celebration, and is believed to have special powers of protection and healing.(AP Photo/Dmitry Lovetsky)