A father and son (L) on a makeshift boat made from styrofoam paddle through a garbage filled river as they collect plastic bottles that they can sell in junkshops in Manila on March 19, 2015. They earn three US dollars a day. The Philippines will be observing World Water day on March 22, a global event that focuses on finding access to clean and safe water. AFP PHOTO / NOEL CELIS (Photo credit should read NOEL CELIS/AFP/Getty Images)