Gym is suddenly gone

[LetsRollGirl]

For reference you can find recent clarification from Niantic on the topic:

Unique Art

Works of art and architecture encourage exploration and reflect the communities where they are found and their values. Art Works of art are generally eligible so long as they are unique, distinct, and permanent. This can include indoor artwork (framed and murals) and museum exhibits that are intended to be permanent. Nominators should use the official title and credit the artist when possible. They should tell the story of the work, explaining the cultural context. Submitters should make use …

You may want to clarify if this isn’t on the wall of a Single Family Private Residential Property (SFPRP). Also including an artists name can help as they review this for something being sanctioned vs done without permission.