Prosthetic legs form a museum installation as U.S. President Barack Obama visits the Cooperative Orthotic and Prosthetic Enterprise (COPE) for victims of amputations due to accidents with the many rounds of unexploded ordnance remaining in the Laotian countryside following the Vietnam War era, on the sidelines of the ASEAN Summit, in Vientiane, Laos September 7, 2016. (Photo by Jonathan Ernst/Reuters)
