The United Nations is ramping up efforts to restore access to clean drinking water in Gaza, and begin clearing millions of tonnes of rubble. But with more than 80 percent of buildings destroyed, and the Rafah crossing still closed, the challenge of rebuilding grows ever more difficult. Kristina Simich reports. Subscribe: http://trt.world/subscribe Livestream: http://trt.world/ytlive Facebook: http://trt.world/facebook Twitter: http://trt.world/twitter Instagram: http://trt.world/instagram Visit our website: http://trt.world