Nepalese children participate in a "laughter yoga" session to help relieve trauma among survivors of two earthquakes which struck the country in less than three weeks, in Kathmandu on May 15, 2015. Nearly 8,500 people have now been confirmed dead in the disaster, which destroyed more than half a million homes and left huge numbers of people without shelter with just weeks to go until the monsoon rains. AFP PHOTO / PRAKASH MATHEMA (Photo credit should read PRAKASH MATHEMA/AFP/Getty Images)
