Floodwaters innundates the Kolonnawa suburb of Colombo on May 21, 2016. Foreign aid began arriving in Sri Lanka on May 21, bringing help to half a million people forced out of their homes by heavy rains and landslides that have killed at least 71 in a week of extreme weather wreaking havoc in South Asia. / AFP PHOTO / LAKRUWAN WANNIARACHCHILAKRUWAN WANNIARACHCHI/AFP/Getty Images