USS Olympia ... this photo makes me really uncomfortable

4yr ⋅ ⋅

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Love that table of difficulties

5yr ⋅

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Map Of Underwater Cables That Supply The Worlds Internet

5yr ⋅

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(Czech Republic) Exactly 30 years ago, we fought for democracy. 1989 vs 2019

4yr ⋅

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Forbidden snacks

5yr ⋅

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Never before seen details of the sun's surface

4yr ⋅

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ITAP From my last trip to Australia. I hoped to shoot more kangaroos than ibis.

6yr ⋅

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