David H. Koch Hall of Human Origins

I should try this, because stone knife is cooler than metal knife.

+57

Coins

+15

First check-in at David H. Koch Hall of Human Origins.

+15

3 check-ins inside National Mall.

+15

Great photo!

First of friends to check in at David H. Koch Hall of Human Origins.

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3X Sue sticker bonus!

Junxiao Shi at David H. Koch Hall of Human Origins