Pranksters with too much time on the hands are alleviating their boredom by scavaging around Detroit’s ample supply of abandoned and vacant properties, The Wall Street Journal reports. A staff  videographer even documented a group of perpetrators in the act of pushing a dump truck out a fourth-floor window of an old Packard plant. Click on the video in the story linked above and see it for yourself.

Detroit has 80,000 abandoned lots and buildings, according to the city’s planning department. Old housing projects, homes, strip malls and even high-rise buildings sit empty across much of the city. Motown has more vacant office, retail and industrial space than nearly every other big city in the country.

Like many of Detroit’s abandoned buildings, though, it’s anything but deserted. Rather, it’s a hive of activity, buzzing with scavengers, vandals, late-night revelers, arsonists, photographers and urban explorers who brave the crumbling buildings’ many hazards and create a good number of their own. The complex remains unguarded.

“Mayhem. That’s what they should call