China's high-speed train from Qinghai to Xizang worried environmentalists well before its launch in July 2006. Concerns increased after a photograph of Tibetan wildlife near a high-speed train appeared in hundreds of papers – until Web viewers began to argue it had been doctored. The paper that first printed the image has now apologized.
Source: Wall Street Journal. See also: The Photoshop Reporters. Thanks Tinkebell.