Not to worry, wh... Seen this before. It's simply the trail of a really...really, drunk turtle...with a bit of arthritis showing on the left side(see the squiggle?) More than likely looking for a little "action"...before retiring. Be sure and check any house shoes left outside...before putting them on!
Believe it or not I've seen that design on buildings in China Town in Orlando, Fl. My husband used to work security in that area and they were always inviting our family to different festivities. Have you upset the chinese people?
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