Elephants know these drinking holes are dangerous, but they have no choice.

大象知道这里的水坑很危险，但没有办法。

When they finally do reach a drinking hole, camels can drink up to 60 liters of water in ten minutes.

当他们终于到达水源，骆驼在十分钟内可以喝下六十公升的水。

Wild Camels around the drinking hole. Yes, saw that more than once.

德文郡：饮水洞周围的野骆驼。是的，不止一次看到过。

Wildlife officials said that toxic algal blooms in drinking holes caused the previously unexplained deaths of more than 300 elephants in Botswana in recent months.

野生动物官员称，近几个月，水坑里的有毒藻类大量繁殖，导致博茨瓦纳300多头大象离奇死亡。