Do you know that everyone worldwide spends an average of three years on the toilet?

November 19 is World Toilet Day established by the United Nations. On this day, toilet-themed activities are held all over the world to encourage the public to improve sanitation and establish good hygiene practices. #FeelofChina

Many sports in ancient China were carried out around the Central Axis, whose traces can still be spotted in many modern sports today. #FeelofChina

With clear blue skies and cool breezes, fall is the best time of the year to go hiking and appreciate the colorful foliage in Beijing. So, where are the city's best spots to admire the gold and red leaves?

Here, we've compiled a list of the top 5 places to visit in Beijing during what's dubbed in China as the "golden autumn season."

Zhoukoudian (周口店), located in 50 kilometers to the southwest of Beijing proper, is the former residence of Peking man, who lived here approximately 200,000 to 500,000 years ago. Since the discovery of a complete skull on December 2, 1929, Zhoukoudian, which had more recently been noted for its production of lime, became world-famous as the "home of the Chinese ape-man". After the establishment of the People's Republic of China, the number of sightseers and scientists increased rapidly, and Zhoukoudian has become a great tourist attraction.

Since joining the Convention Concerning the Protection of the World Cultural and Natural Heritage in 1985, China now has 56 World Heritage sites, ranking second in the world. Here, China.org.cn lists 10 of the sites most worth visiting in China.

Located at the southern foot of Wuzhou Mountain some 16 km west of Datong City, Shanxi Province, Yungang Grottoes were built against the mountain and extend about 1 km (0.62 miles) from east to west. The construction of the caves was started under the auspices of the noted monk Tan Yao in 453 and took 50 years to complete. Some 40,000 people, including the Buddhists from what is present Sri Lanka, contributed to the huge project.