It wasn't until I watched Big, Bigger, Biggest (bridge) that blew my mind away! Well.. maybe I exaggerated it a little, but it's fascinating to see the development and progress of human rising to today, as well as the effort and physical labor.
You can watch the video here:
For this challenge, engineers build a large 'box' made of wood on land. This is called a caisson. The purpose of the caisson is to provide space for men to go under water to construct the base.
Working underneath the water is extremely uncomfortable, moist and hot. There is the constant paranoia of drowning. Men carry the fear that the caisson will become their coffin.
It is kind of nostalgic that men have to work in side the caisson. It reminds me of the construction of the Egyptian pyramids
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