人类与野火，斗智斗勇，奋战不息。情涩视频免费观看

　　Wildfires can be caused by natural factors such as lightning, but humans also play a large role. In California, which has witnessed some of the most widely publicized examples in recent years, a housing crisis is pushing more people into areas where fires are common. And firefighters are falling victim to PTSD, even suicide. But researchers have found that humans can play a gre... (展开全部)