Rendering a large number of cells (objects)

I have a project in which I want to make a large number of meshes over a landscape of 16 square miles. While the grids are not all unique, there are many of them (maybe only 1000 mesh, but there are several million).

I was wondering if there are any documents or (good) resources covering this topic. I found a lot of terrain / terrain rendering documents, but somehow I could not find any rendering of large amounts.

EDIT By grids, I mean objects on the landscape, building trees, etc.

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Source: https://habr.com/ru/post/1718260/


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