MELBOURNE, AUSTRALIA - OCTOBER 22: A Competitor jumps infront of a rainbow during the Australasian Supercross Championship at Melbourne Knights Stadium on October 22, 2011 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)
A flock of starlings flies over Lake Leman on an autumn morning in the Lavaux near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)