Despite the caves' perches, high above the river valley, the treasures inside are at risk from looters and souvenir collectors, as well as erosion, earthquakes, and infrequent but torrential rains.

尽管洞窟位于河谷上方的高地，但其中的宝藏还是会遭受来自抢劫者、纪念收藏家的损坏，以及侵蚀、地震和罕见的暴雨的威胁。

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Six weeks after torrential rains caused the Indus river to break its banks, inundating their mud-walled villages in Rajanpur, a district of southern Punjab, their anguish is not feigned.

六个星期前，暴雨冲垮了印度河的河岸，淹没了位于旁遮普南部拉金布尔的泥墙围着的村庄。

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By early September 2010, torrential monsoon rains had not only pushed the Indus River over its Banks, but also raised water levels in a nearby lake.

2010年9月初，季风暴雨不仅造成了印度河漫堤，还引起了邻近湖泊的水位升高。

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One of the biggest cities hit Saturday and early Sunday was Wichita, Kansas, where resident Katie Sykes said torrential rains produced a "river in my front yard" and the prospect of a tornado had her shuddering in fear.

CNN: April 16, 2012 -- Updated 0326 GMT (1126 HKT)

The torrential rains could lead to significant river flooding near the Gulf, as flood watches are still in effect from last week's heavy rains.

CNN: 30 million in path of winter storm

But unlike on Sunday, when torrential rain soaked the jubilee pageant on the River Thames, the showers did not become a downpour.

CNN: Queen's balcony wave, flyover cap Diamond Jubilee celebrations