French lovers David, 22, and Charlene, 23, share a Valentine's Day kiss near Notre-Dame Cathedral in Paris on Monday, Feb. 14, 2011. The padlocks on the fence of the bridge belong to lovers who throw the keys to the locks into the Seine as a symbol of enduring love. (AP Photo/Jacques Brinon )

Photo by: Jacques Brinon

French lovers David, 22, and Charlene, 23, share a Valentine's Day kiss near Notre-Dame Cathedral in Paris on Monday, Feb. 14, 2011. The padlocks on the fence of the bridge belong to lovers who throw the keys to the locks into the Seine as a symbol of enduring love. (AP Photo/Jacques Brinon )