In 2010, Brazilian photographer Vik Muniz participated in an interesting two - year project which took place at the world's largest open -
air garbage dump, in collaboration with the local trash pickers — Gramacho catadores.
The 30 words included: bicycle, helicopter, bus, ambulance, caravan, police car,
dump truck, fire truck,
garbage truck, ute, hot
air balloon, hang glider, jet, cement truck, scooter, motorcycle, airplane, car, seaplane, ship, cargo ship, skateboard, speedboat, tram, van, fishing boat, monorail, taxi, truck.
Gardiner Harris has a detailed story in The Times on what could be seen as New Delhi's race to outdo Beijing in the deadly flows of
air pollution from its traffic, industries,
garbage dumps and kitchens.