Musician Simon Desorgher walks his giant sphere on the foreshore of the River Thames after a rehearsal for a performance of “Water Cycle for flute and sound system” on the river on September 11, 2009 in London, England. (Photo by Peter Macdiarmid/Getty Images)
A dog takes a dip in the river Elbe on February 6, 2012 in Hamburg, Germany.The current cold front that has claimed over 200 lives in eastern Europe makes its way west. (Photo by Stuart Franklin/Getty Images)