Chinese human rights activist Harry Wu holds up a copy of a book documenting Chinese prisons as he testifies before the US House of Representatives' Tom Lantos Human Rights Commission on September 29, 2009 in the Rayburn House Office Building on Capitol Hill in Washington. Getty Images logo Getty Images 29 months ago

Chinese human rights activist Harry Wu holds up a copy of a book documenting Chinese prisons as he testifies before the US House of Representatives' Tom Lantos Human Rights Commission on September 29, 2009 in the Rayburn House Office Building on Capitol Hill in Washington.