Video of a person walking in a glass-bottom pool that’s perched 42 stories above the street has gone viral. Business Insider reports that although the pool, which is located at the top of the Market Square Tower in Houston, opened last November, the building's management recently posted the footage to its Facebook page. It has since attracted over 2 million views.

Only a 10-foot stretch of the pool is cantilevered over the rooftop edge, so swimmers who have a fear of heights may still enjoy going for a dip.

The pool is only open to residents of the luxury apartment and their guests. So, if you don’t know anyone who lives there you can rent the largest penthouse for $18,715 a month or a more modest studio for about $1,800.

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