1. Portals torn into the sky http://5thin.gs/GF1K8o

2. Auroras explained from the ISS's perspectivehttp://5thin.gs/GEkuFJ

3. Photo series of girls and their American Girl avatarshttp://5thin.gs/GIC4XM

4. Impressively complex photo-realistic paintings http://5thin.gs/GIVl9e

5. How amazing adventure footage is shot http://5thin.gs/ylZqLj

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