Los Alamos National Laboratory (video)

A vast wildfire has been burning around the United States' research plant where the first atomic bomb was developed. The science lab is one of the world's biggest. Los Alamos National Laboratory in the state of New Mexico has the country's largest nuclear weapons arsenal. In a constantly changing situation on Monday, buildings were not touched by flame, and authorities said the threat was low. The fire started in the Bear Wallow Wilderness area, to the west, in neighbouring Arizona -- the biggest fire that state has ever had.