what do you think of giant ocean liners, floating cities?

本帖于 2016-07-15 10:23:21 时间, 由普通用户 -worldance- 编辑

major source of ocean contamination, should be on the extinction list.

When i 1st saw one of those in a small Gulf coast town Galveston, TX, it covered 1/2 of sky, felt like in an "end of world" movie!

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