The retreat of Pedersen Glacier in Alaska. Left: summer 1917. Right: summer 2005. Image credit: 1917 photo captured by Louis H. Pedersen; 2005 photo taken by Bruce F. Molnia. read more Link: Earth’s Changing Face
The base of the Washington Monument and the space shuttle Discovery, attached to the back of a NASA 747 transport jet, on its way to its final home at the Smithsonian Institution, in Washington, read more Read more here: Discovery Final flight