They reveal a shabbily dressed man, hunched over a pair of crutches, painstakingly wielding a brush full of black paint to cover surfaces with text, all in the name of asserting ownership of what he believed was rightfully his.

BBC: Calligraphic graffiti in Hong Kong

Not to its 2 million residents, whose space of peace, if they were native Indonesians, had shrunk to what they could paint with their clan names or cover with Muslim prayer mats to ward off marauders.

CNN: MEDAN'S MADNESS

Nonsense, says Mr. Kalra, whose group once laid an ambush at a tollgate outside Delhi, jumping out to cover pro-honking signs of what he says were thousands of trucks, buses and other large vehicles with black paint over seven days, resulting in plenty of altercations with drivers.

WSJ: In India, a Quixotic Fight Against Car Honks