Former land bridge 1,600 km/1,000 mi wide between Asia and North America; it existed during the ice ages that occurred before 35,000 BC and during the period 24,0009000 BC. As the climate warmed and the ice sheets melted, Beringia flooded. It is now covered by the Bering Strait and Chukchi Sea.
Known as ‘white sun in blue sky’, the flag of Chinese revolutionary leader Sun Zhong Shan appears in the canton. The rays of the sun represent 12 traditional Chinese hours (each equalling two hours) symbolizing progress. Red is a traditional Chinese colour. Effective date: 8 October 1928.