See the best photo galleries of 2010 from National Geographic News, as measured by viewer interest—including a shocking sinkhole in Guatemala, fish with "hands," volcanic lightning in Iceland, and a crocodile-elephant fight。

剧烈的雷暴天气与火山灰交汇

　　Intense lightning storms mixed with ash clouds to electrify the night sky over Iceland's Eyjafjallajkull in April。
　　4月，剧烈的雷暴天气与火山灰交汇以后，令冰岛埃亚菲亚德拉冰盖的夜空呈现别样的风景。

危地马拉一个天坑吞噬了一栋三层楼高的建筑

　　The 30-story-deep sinkhole in Guatemala that swallowed a three-story building in June。
　　6月，危地马拉一个相当于30层楼高的天坑吞噬了一栋三层楼高的建筑。

一条尼罗河鳄鱼紧紧咬住大象的鼻子不放

　　There was a life-or-death struggle for a pair of African elephants when they were ambushed by a hungry Nile crocodile in Zambia's South Luangwa National Park this summer。
今年夏天，在赞比亚南卢旺瓜国家公园上演的一场不同寻常的“伏击战”中，一条尼罗河鳄鱼紧紧咬住大象的鼻子不放。

墨西哥湾泄漏原油在水面扩散

　　The spread of oil on the water's surface in April was a clue used to determine the size of the leak from the Gulf of Mexico rig disaster。
　　墨西哥湾泄漏原油在水面扩散，4月，科学家将此作为评估此次灾难影响的线索。