Aquaculture ponds offshore
This is a place near the sea
at this place
There is a rock
At high tide
The highest place will be 20 cm below sea level
The highest place will be 300 cm below sea level
This is a large pool
it there are very large area
When ebb tide
The large pool will be full of seawater
Form a large pool
There is a smart businessman
A breeding pond was established in this depression
Construction of windmills, low walls, wooden bridges, etc.
Fish and some aquatic plants are cultured in aquaculture ponds
This photo was taken there
PS: Thanks 
Activity link and picture reference
近海之地的养殖池
这是一处靠近海边的地方
在这个地方
有一处岩礁
在涨潮的时候
最高的地方会低于海平面20公分
最高的地方会低于海平面300公分
这是一处很大的洼地
面积非常的大
当退潮的时候
洼地内会聚满了海水
形成一个很大的水池
有位聪明的商人
在这处洼地建立起了一个养殖池
兴建了风车/矮墙/木桥等等设施
在养殖池内养殖了鱼类和一些水生植物
这张照片就是拍摄至该处的照片
PS: Thanks