In this photograph taken on April 28, 2016, Indian villagers lay out water containers and buckets as they queue to collect potable water at a makeshift camp in Mumbai. Some 300 families who have migrated from the drought affected Marathwada region in the hinterlands of the western Indian state of Maharashtra are camped at a municipal ground in the city. They come to Mumbai annually to look for menial jobs as with the onset of summer daily wage work as farmhands stops in the villages due to water scarcity. This year the migration the the country's financial capital has been overwhelming due to the severity of drought conditions affecting the country. / AFP PHOTO / INDRANIL MUKHERJEE / TO GO WITH AFP STORY INDIA-WEATHER-DROUGHT,FOCUS BY JALEES ANDRABIINDRANIL MUKHERJEE/AFP/Getty Images

In this photograph taken on April 28, 2016, a young Indian child jumps over an open drain of sludge and waste water at a makeshift camp in Mumbai. Some 300 families who have migrated from the drought affected Marathwada region in the hinterlands of the western Indian state of Maharashtra are camped at a municipal ground in the city. They come to Mumbai annually to look for menial jobs as with the onset of summer daily wage work as farmhands stops in the villages due to water scarcity. This year the migration the the country's financial capital has been overwhelming due to the severity of drought conditions affecting the country. / AFP PHOTO / INDRANIL MUKHERJEE / TO GO WITH AFP STORY INDIA-WEATHER-DROUGHT,FOCUS BY JALEES ANDRABIINDRANIL MUKHERJEE/AFP/Getty Images

In this photograph taken on April 28, 2016, Indian villagers chat as they sit among temporary shelters at a makeshift camp in Mumbai. Some 300 families who have migrated from the drought affected Marathwada region in the hinterlands of the western Indian state of Maharashtra are camped at a municipal ground in the city. They come to Mumbai annually to look for menial jobs as with the onset of summer daily wage work as farmhands stops in the villages due to water scarcity. This year the migration the the country's financial capital has been overwhelming due to the severity of drought conditions affecting the country. / AFP PHOTO / INDRANIL MUKHERJEE / TO GO WITH AFP STORY INDIA-WEATHER-DROUGHT,FOCUS BY JALEES ANDRABIINDRANIL MUKHERJEE/AFP/Getty Images

In this photograph taken on April 28, 2016, an Indian woman carries her child across an open drain of sludge and waste water at a makeshift camp in Mumbai. Some 300 families who have migrated from the drought affected Marathwada region in the hinterlands of the western Indian state of Maharashtra are camped at a municipal ground in the city. They come to Mumbai annually to look for menial jobs as with the onset of summer daily wage work as farmhands stops in the villages due to water scarcity. This year the migration the the country's financial capital has been overwhelming due to the severity of drought conditions affecting the country. / AFP PHOTO / INDRANIL MUKHERJEE / TO GO WITH AFP STORY INDIA-WEATHER-DROUGHT,FOCUS BY JALEES ANDRABIINDRANIL MUKHERJEE/AFP/Getty Images

NASHVILLE, TN - APRIL 30: Runner Taylor Headley crosses the finish line at the St. Jude Rock 'n' Roll Nashville Marathon/Half Marathon and 5k where more than 34,000 participants weathered the rain during the 17th running on April 30, 2016 in Nashville, Tennessee. (Photo by Jason Davis/Getty Images for St. Jude )

NASHVILLE, TN - APRIL 30: Runner Scott Wietecha is interviewed after he crosses the finish line at the St. Jude Rock 'n' Roll Nashville Marathon/Half Marathon and 5k where more than 34,000 participants weathered the rain during the 17th running on April 30, 2016 in Nashville, Tennessee. (Photo by Jason Davis/Getty Images for St. Jude )

NASHVILLE, TN - APRIL 30: Runner Roosevelt Cook (Center; Blue) arrives at the St. Jude Rock 'n' Roll Nashville Marathon/Half Marathon and 5k where more than 34,000 participants weathered the rain during the 17th running on April 30, 2016 in Nashville, Tennessee. (Photo by Jason Davis/Getty Images for St. Jude )

NASHVILLE, TN - APRIL 30: St. Jude Rock 'n' Roll Nashville Marathon/Half Marathon and 5k where more than 34,000 participants weathered the rain during the 17th running on April 30, 2016 in Nashville, Tennessee. (Photo by Jason Davis/Getty Images for St. Jude )