評論
打印
5. Great Blue Hole-Belize 洪都拉斯藍洞
The Great Blue Hole is an underwater sinkhole off the coast of Belize. The hole is 1,000 feet across and 400 feet deep. It was formed as a limestone cave during the last iceage
洪都拉斯伯利茲市附近海域有一處叫做“藍洞”的水下坑洞，這個大洞直徑為1000英尺，深400英尺。它是在冰河時代末期形成的一個石灰石坑洞。
