CIIC:Today's featured article/December22, 2010
From Wiki China org cn
Revision as of 01:31, 22 December 2010 by imported>Ciic
Dongzhi reflects the changing of seasons. As early as 2,500 years ago during the Spring and Autumn Period (770-476 BC), the Chinese scientists had determined the point of Winter Solstice by observing the movement of the sun with a sundial. (More...)
