What's at the bottom of the pools of water inside the world trade memorial?

D H | Sep 30, 2017 | Category: Museum in New York

The National September 11 Memorial & Museum - All questions

Address: 180 Greenwich St, New York, NY 10007, USA

Amy Courneya | Sep 30, 2017

The 9/11 museum is below ground there by the south pool and is amazing

fred53531 | Sep 30, 2017

Concrete and water!!!

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