TIL: The Guggenheim Bilbao got its warm metal texture only because it was constructed at a rare point in time when it was affordable to use titanium alloy cladding. The soviet navy was decommissioning a whole class of submarines which tanked global titanium prices, enabling the use of it as building material.
https://youtu.be/FnrPZuN0m-0?t=1100
https://youtu.be/FnrPZuN0m-0?t=1100
