Any This Old House enthusiasts on here?

My bathroom has a window in the tub area and recently, I noticed the tile has buckled or something. Is this something I should worry about? (FYI - I rent. Just not sure it's worth calling the landlord.)
Any This Old House enthusiasts on here?
Any This Old House enthusiasts on here?
Any This Old House enthusiasts on here?
Any This Old House enthusiasts on here?
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