Photo taken on Nov. 4, 2012 shows fallen ginkgo leaves on the ground in Tancheng County of Linyi City, east China's Shandong Province. Most cities in northern part of China now receive beautiful autumn views as colder weather goldens tree leaves. (Xinhua/Xu Chenghong)

Photo taken on Nov. 4, 2012 shows fallen ginkgo leaves on the ground in Tancheng County of Linyi City, east China's Shandong Province. Most cities in northern part of China now receive beautiful autumn views as colder weather goldens tree leaves. (Xinhua/Xu Chenghong)

A couple walk in a garden which is painted with yellow by ginkgo leaves in Tancheng County of Linyi City, east China's Shandong Province, Nov. 4, 2012. Most cities in northern part of China now receive beautiful autumn views as colder weather goldens tree leaves. (Xinhua/Xu Chenghong)

Photo taken on Nov. 4, 2012 shows yellow ginkgo leaves in Tancheng County of Linyi City, east China's Shandong Province. Most cities in northern part of China now receive beautiful autumn views as colder weather goldens tree leaves. (Xinhua/Xu Chenghong)