Passengers receive luggage check at Guiyang Railway Station in Guiyang, capital of southwest China's Guizhou Province, Feb. 15, 2013. China's railways will be tested Friday, when passenger flows peak at the end of the Spring Festival holiday. Some 7.41 million trips will be made on the country's railways with travelers returning to work as the week-long Lunar New Year celebration draws to a close, the Ministry of Railways said. [Xinhua]