Photographer Khánh Hmoong took historical pictures of Vietnam in the 20th-century and matched themup with the same locations in the 21st century. In many photos, the landscape remains the same, although the world...

Photo: XsuperflyX [Flickr] In this Flickr pool ti...  ...uctures as background to create fascinating " then and now " collages.At first I thought there was no wa...