Firefighters pay tribute to martyrs in Danzhai County in the Qiandongnan Miao and Dong Autonomous Prefecture, Southwest China’s Guizhou Province, yesterday, ahead of the Qingming Festival that falls on tomorrow. As Qingming Festival, or the Tomb Sweeping Day — a traditional time for Chinese people to visit ancestors’ graves to pay their respects — approaches, martyrs’ cemeteries nationwide have witnessed an influx of visitors paying tribute to those who died for the country.Xinhua