We're never one to pass up a video with a guy dancing in a thong but the music video of Coldplay doing The Hardest Part is strange.
According to Wikipedia the video was shot on March 3, 2006 in St. Petersburg, Florida at a yacht marina. The video uses a clip from a short-lived 80s program Attitudes on the Lifetime network, and has the band digitally inserted.
Coldplay essentially plays beside a stage where an 84-year-old lady and her 25-year-old male friend put up an incredible act of athleticism, despite her age. Take a look: