A car passes the toll gate of Southern Yangzhou Toll Station for free in Yangzhou, east China's Jiangsu Province, just after the zero hour on April 4, 2013. Chinese government scrapped the expressway tolls for cars with seven seats or fewer on the three-day holidays from April 4 to 6 considering that mourners travel out to pay homage to the deceased. The Qingming Festival or tomb-sweeping day, which falls on April 4 this year, is a traditional Chinese holiday for mourning the dead. (Xinhua/Zhuang Jianxiang)

Cars pass the toll gate of Southern Yangzhou Toll Station for free in Yangzhou, east China's Jiangsu Province, just after the zero hour on April 4, 2013. Chinese government scrapped the expressway tolls for cars with seven seats or fewer on the three-day holidays from April 4 to 6 considering that mourners travel out to pay homage to the deceased. The Qingming Festival or tomb-sweeping day, which falls on April 4 this year, is a traditional Chinese holiday for mourning the dead. (Xinhua/Zhuang Jianxiang)

A car passes the toll gate of Southern Yangzhou Toll Station for free in Yangzhou, east China's Jiangsu Province, just after the zero hour on April 4, 2013. Chinese government scrapped the expressway tolls for cars with seven seats or fewer on the three-day holidays from April 4 to 6 considering that mourners travel out to pay homage to the deceased. The Qingming Festival or tomb-sweeping day, which falls on April 4 this year, is a traditional Chinese holiday for mourning the dead. (Xinhua/Zhuang Jianxiang)