London’s Hammersmith Bridge Gets Foil Wrapping for Heat Protection जुलाई 18, 2022 byप्रगतिवादी मंच एक टिप्पणी भेजें Engineers worried that cracks in the Victorian-era suspension bridge could expand in the heat, further threatening its stability. source https://www.nytimes.com/2022/07/18/world/europe/hammersmith-bridge-foil-wrap-heat.html
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