Journalists Larry C. Price and Sol Vanzi, in Manila, contributed to this article.

This story was produced by the Center for Investigative Reporting (www.cironline.org) in collaboration with the Pulitzer Center on Crisis Reporting in Washington (www.pulitzercenter.org). Price, an Inquirer photographer from 1983 to 1989, is documenting child labor in developing countries as part of a long-term project funded by grants from the Pulitzer Center. Price has won two Pulitzer Prizes, the second for his Inquirer photographs from Angola and El Salvador.