fire helicopter, 消防直升機

Azusa, California, US
A Los Angeles county fire helicopter drops water while battling a blaze dubbed the “fish fire”
Photograph: Gene Blevins/Reuters
Best photographs of the day: LA's Skyslide and a Chinese light festival | News | The Guardian
http://www.theguardian.com/news/gallery/2016/jun/21/best-photographs-of-the-day-las-skyslide-a-light-festival-in-china