The Marsupilami - Volume 7 - The Gold of Boavista

In Chiquito, capital of Palombia, there are nasty rumours flying of
numerous orphans and poor kids going missing. And indeed, one
evening, the son of a rich family is kidnapped along with a handful
of street urchins after he sneaked out of school. The children are
soon put to work in a clandestine gold mining camp. But the illegal
prospectors are horrible polluters, and that’s already brought them
into a very angry Marsupilami’s sights …