A helicopter makes a water drop run, California, USA. 直升機澆水滅火

A helicopter makes a water drop run at the "Old Fire", which is burning in Calabasas, California, USA, June 4, 2016.
June 5, 2016  http://www.voanews.com/media/photogallery/june-5-2016-day-in-photos/3362669.html