Q What’s up with these faux rocks all over Madison Square Park? Are they hiding some sort of rodent killer or sprinkler system?—Kate G., Union Square

A You guessed it: The fake rocks, or “landscape features,” are hiding rat bait, according to Jeff Sandgrund, director of park operations at the Madison Square Park Conservancy. “Being that we have a huge volume of people in the park…we inevitably have some issues with what we like to call our ‘friends,’” Sandgrund says. Apparently, rodents love the Shake Shack just as much as humans do.

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