Is there an underground passage from Tianhe City to Tian Huan Square?

Yes, there is an underground passage between Tianhe City and Tianhuan Square.

Specifically, Tianhe City Shopping Center and Tian Huan Square can be directly connected through the channel on the negative floor (B 1 floor). This passage is located on the negative floor of two shopping malls, and it can be directly connected through the passage without walking on the ground.

It should be noted that this underground passage is not a public transportation passage and can only be accessed through Tianhe City and Tianhuan Square.