This picture of seawall was taken in Qingdao, China.
This seawall is a curved seawall. We can see that the seawall is curved built at the upper part. From my observation, it was built in concrete and steel.
This design of seawall enable waves to break to dissipate wave energy and to repel the waves back in to the sea. It can also prevent the wave over-topping the wall and provide additional protection for the toe of the wall.
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