Artyen,13, shares his home with Leana, 14, another of St. Petersburg's homeless. A regular habit of sniffing glue gives Artyen a continual high.

Many doors lead to St. Petersburg's underworld of sewers, now the living place for thousands of homeless children.

Some 30,000 St. Petersburg children call the sewers home. Other estimates place the number closer to 80,000.

Children wait outside the Youth Club for their daily meal.

Andriej, 13, passes out after sniffing glue. He is unable to eat. Russian doctors say that two years of sniffing glue is enough to cause devastating loss of brain cells.

Natasha waits to eat her only meal of a lunch provided by a church Youth Club. The organization serves lunch to about 40 homeless kids a day.