这是继2018年和2019年之后，我第三次来到天池。

This is the third time I've been to the Heaven Lake after I came here in 2018 and 2019.

youdao

天池真是人世间的天堂！

Heavenly Lake is truly a paradise here on earth.

youdao

白河堡水库水面海拔600米以上，是北京最高的水库，因地处燕山亦称“燕山天池”。

The water surface of Baihebu Reservoir is over 600m above the sea level and it is the highest reservoir in Beijing. Because it is in Yanshan, so it is called "Yanshan Heaven Lake".

youdao