eli5: How did people build bridges over deep and/or dangerous water if they didn't have the equipment to go under water? Submitted by Internetscraperds9 t3_1252per on March 28, 2023 at 9:18 PM in explainlikeimfive 15 comments 20
Mr_Mojo_Risin_83 t1_je4gwbv wrote on March 29, 2023 at 10:44 AM They damned and drained the water. The equipment to go under water is a lot older than you think too. Check out diving bells for some terrifying nightmare fuel. Permalink 1
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