"Blend into the natural environment" is the Engpsh phrase to describe "融入自然环境."

This phrase comes from the verb "blend," which means to mix or combine so as to make a harmonious whole. "Into" means to enter into or be a part of something. "Natural environment" refers to the surroundings that exist naturally, such as forests, rivers, and mountains.

Here are some examples:

The architecture of the building blends into the natural environment, making it seem as though it has always been there.
The artist's work captures the essence of the natural environment and blends it into the cityscape.
The eco-friendly resort is designed to blend into the natural environment, allowing guests to immerse themselves in the beauty of the landscape.

Example translations:

建筑的设计与自然环境融为一体，使它看起来好像一直都在那里。
艺术家的作品捕捉了自然环境的精髓，将其融入城市风貌中。
这个生态友好的度假村被设计成与自然环境融为一体，让客人可以沉浸在美丽的景观中。