This South African super-strong brick is made from human urine – a world first

[This South African super-strong brick is made from human urine – a world first] is good,have a look at it! https://www.businessinsider.co.za/worlds-first-brick-made-from-urine-made-in-south-africa-uct-2018-10?fbclid=IwAR2dtePykNE07DYHaF7NIWsGfpECaNzXVYOLG3k4u_HeLPY9XjshulY5vc4

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