Do you know the understory in Downtown Houston? Tunnel System - 6 mile long and 20ft below streets

Address: 909 Fannin St #1650, Houston, TX 77010
Hello everyone, this video is about a tour at the tunnel in downtown Houston. The tunnel systems are below the streets where people who works in downtown nearby can go to the understory to have lunch and use other services like haircut, dental, and more. There are different kinds of cuisines such as Mexican, Indian, and Vietnamese food, so there are many choices for customers there. Also, a lot of tables place around so people can sit, eating, and chatting to each other.
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