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Teenager finds gold bar while swimming in lake in German Alps, police try to determine origin

The photo released by the police in Rosenheim on Aug. 12, 2015 shows a gold bar that was found by a teenager when swimming in a lake near Berchtesgaden. Police said in a statement that they still try to find out from where the 500g (17.6-ounce) bar came.  (Polizeipraesidium Oberbayern Sued via AP)

The photo released by the police in Rosenheim on Aug. 12, 2015 shows a gold bar that was found by a teenager when swimming in a lake near Berchtesgaden. Police said in a statement that they still try to find out from where the 500g (17.6-ounce) bar came. (Polizeipraesidium Oberbayern Sued via AP)  (The Associated Press)

A teenager has made an unexpected find while swimming in a lake in the German Alps: a 500-gram (17.6-ounce) bar of gold.

Police said Wednesday that they are still trying to figure out where the bar comes from and how it got into the Koenigssee lake, a popular tourist destination near Berchtesgaden on the border with Austria.

The 16-year-old girl, who was on vacation, found it around 2 meters (6 ½ feet) under the surface on Friday and handed it in to police.

Divers on Tuesday carried out a thorough search of the area around where the bar was found, but didn't find any more gold or other valuables.