Friday, January 31, 2020

The cheapest bridge in Rural area

Spend 10 USD to build a bridge by tree (印度橡樹)  for 1 decade?

This two-tier bridge in Nongriat village is estimated to be 200 years old.
By this web site

https://edition.cnn.com/style/article/living-bridges-india-scn/index.html?fbclid=IwAR0z1hyqXHeFDlBEIsAimpTKnycMGeboUrwN6gFqGxxfNfCfZyogBLHwbSI


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waffle slab RC wall

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