Light pollution is a problem that has been accompanying man ever since he started his first fire some 15, 000 years ago, and technology has only made it worse.

自大约1.5万年前人类生起第一堆火起，光污染问题就一直伴随着人类，科学技术只是令这一问题更加严重而已。

youdao

Light pollution is a problem that has been accompanying man ever since he started his first fire some 15,000 years ago, and technology has only made it worse.

自大约1.5万年前人类生起第一堆火起，光污染问题就一直伴随着人类，科学技术只是令这一问题更加严重而已。

youdao

It said the embassy personnel had been heading to a military installation in the town of El Capulin when a carload of gunmen opened fire on them and chased them, along with the Mexican naval officer accompanying them.

BBC: Mexico police fire on US embassy staff