Internet search giant Google Inc. unveiled Monday an online collection of items displayed at museums in Hiroshima and Nagasaki documenting the 1945 U.S. atomic bombings.

It is the first time Japanese facilities have been featured on Google's Cultural Institute multimedia site, which provides the public with free access to photos and videos capturing historic moments.

On display are 55 photographs from the Hiroshima Peace Memorial Museum, including one of a pocket watch that stopped at 8:15 a.m., the time the bomb detonated, and 177 photographs and videos from the Nagasaki Atomic Bomb Museum ,including some of Urakami Cathedral about 500 meters from the hypocenter.