Answer: Camellias are hardy and need flower protection only when the temperatures drop below freezing. Even then only the opening buds showing color are likely to be damaged. After the cold, the tight buds should continue growth and flower. Plantings are either early, mid-or late-season bloomers.
Beijing Population 2017. The current population of Beijing according to the 2010 census, as reported by the official Chinese Government statistics agency, was 19,612,368. The population at the beginning of 2016, according to some estimates, is 21.7 million.
The most populated city in the world is Tokyo Japan with over 30million. Shanghai has a population of over 20 million. Approximately 17 million permanent residents and more than 3 million temporary residents. Beijing is the second most populous city in China. Wikipedia lists (density by people per sq. km): 1. Shanghai 2.