An Operation Smile volunteer reverses an oxygen mask so a child with a cleft condition can blow a bubble for the first time in Guadalajara, Mexico. (Operation Smile Photos)
Photo credit: Public domain/Wikimedia Commons – The famous view from "The Starry Night" was painted by Vincent van Gogh many times in lesser-known works.
Photo credit: Mariordo (Mario Roberto Durán Ortiz) (left), public domain (right) – The "Mona Lisa" and thousands of other art pieces were hidden around France during WWII.
