Super Bowl LI: Houston rolls out the welcome mat
Super Bowl LI will take place on Sunday, February 5, 2017 at NRG Stadium in Houston, Texas.
Workers attach a sign to the front of NRG Stadium in Houston, TX.
People pose for photos in front of NRG Stadium in Houston, Texas.
Houston Mayor Sylvester Turner addresses the audience as the Houston Super Bowl Host Committee hosts a "Welcome to Super Bowl 51" news conference to celebrate opening week of the NFL football game.
The New England Patriots' NFL Super Bowl LI game ball is finished with the team's logo affixed to it.
Jesus Cardenas Jr., 2, carries a football as he walks through an exhibit at the NFL Experience.
Football fans are dwarfed by a giant projection of the Lombardi trophy on the side of a hotel during Super Bowl LIVE.
Preparations continue for the NFL Super Bowl 51 football game in Houston, Texas.
Football fans snap photos of the 3D light show on water spray at Super Bowl Live in Discovery Green park.
A countdown to Super Bowl LI scrolls outside of NRG Stadium in Houston, TX.