It's not a huge surprise that there are habitations at the bottom of the Black Sea.
在黑海底部有栖息地并不令人感到惊讶。
-- Robert Ballard 巴拉德
It's not a huge surprise that there are habitations at the bottom of the Black Sea.
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It's not a huge surprise that there are habitations at the bottom of the Black Sea.
在黑海底部有栖息地并不令人感到惊讶。
-- Robert Ballard 巴拉德
