Wednesday May 4, 6:39 PM No anti-Japan protests in China, square closed Chinese 18 year olds assemble at Tiananmen Square for a government-organised coming-of-age ceremony in Beijing May 4, 2005. REUTERS/Claro Cortes IV Photo: Reuters BEIJING (Reuters) - Tiananmen Square was closed to the public on Wednesday and police guarded the Japanese embassy and ambassador's residence, but there were no signs of fresh anti-Japanese protests as China marked a sensitive anniversary. China has been nervous about a possible resurgence of anti-Japanese sentiment after three weekends of nationwide protests last month. The vast square was closed for a government-organised coming-of-age ceremony...