‘Monkey City’ Tattoos and Sterilizes Macaques to End Their Terror

Locked behind bars, nearly 1,000 screaming macaques are working themselves into a feverish frenzy. Gangs of former street macaques have spotted their upcoming party and are fighting for top spot.

A moment later the guards enter and the screeching animals jump on them. Like swarming rats they clamber over each other to grab their loot; within seconds the crates of banana, jelly and Yakult are empty.

Until recently, these chaotic scenes were not playing out behind steel mesh, but in the center of Lopburi, a Thai city about 100 miles north of Bangkok, where marauding macaques ruled the streets.

Dubbed ...