This week's You Ask, Patch Answers comes from reader Jessica Hall Lavoie, who just sent in some fascination photos – looks like a member of Blue Man Group Junior, only green, wearing flip-flops, last seen celebrating life next to a fire hydrant on Concord Street before riding off into the sunset.
Jessica said she has no idea who – or what – the green thing was. Sadly, neither do we. So now it's up to you, dear readers:
What's up with the green "thing" on Concord Street?
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