The remarkable photograph of a 'moonbow' was taken by Wally Pacholka as he looked over the Haleakala crater on Maui Island in Hawaii.

这张引人注目的‘月虹'照片是由 Wally Pacholka 在游览参观夏威夷毛伊岛哈雷阿卡拉火山口时拍摄的。

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A lost world populated by fanged frogs, grunting fish and tiny bear-like creatures has been discovered in a remote volcanic crater on the Pacific island of Papua New Guinea.

在巴布亚新几内亚的博萨维火山口，科学家们发现了一处被遗忘的动物世界，那里有四十多个前所未见的新物种。

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The remarkable photograph of a 'moonbow' was taken by Wally Pacholka, as he looked over the Halkeakala crater on Maui Island in Hawaii.

这张引人注目的月虹照片是由Wally Pacholka游览参观夏威夷毛伊岛哈雷·阿卡拉火山口时拍摄下来的。

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In that incident, an asteroid entered the atmosphere and exploded, leveling about 80 million trees over an area of 820 square miles -- about two-thirds the size of Rhode Island -- but leaving no crater.

CNN: Russia starts clean-up after meteor strike