Between 15 and 30 million children live on the streets of major metropolitan areas, with their numbers growing, and face exploitation and violence at the hand of the public and in many cases even the authorities.
1 500万至3 000万儿童流落在大都市的街头，他们的人数还在增加，而且他们遭受公众、甚至在许多情况下遭受当局的剥削和暴力。