VRINDAVAN, India – Krishna, a skinny 12-year-old, waits near a Hindu temple packed with pilgrims. He hears a yell – that's his cue. He zigzags between motorbikes and honking tuk-tuks, elbows his way ...

This monkey stole a pair of glasses (top left), tried them on — and returned them for a reward of mango juice. Spectacle-stealing, juice-loving monkeys are an issue in in Vrindavan, India. (Maya Levin ...