Children walk along the dry banks of the Pahang river as schools remain closed due to the ongoing heatwave in Temerloh, outside Kuala Lumpur, on April 11, 2016. More than 250 Malaysian schools were closed on April 11 due to a heatwave brought on by the El Nino weather phenomenon which is severely affecting food production and causing chronic water shortages in many countries. / AFP PHOTO / MOHD RASFANMOHD RASFAN/AFP/Getty Images