Portal:China/Did you know/2


 * ...that director Zhang Yuan's 1999 film, Seventeen Years was the first Chinese film allowed to film inside a Chinese prison?
 * ...that in 132 CE, Zhang Heng, a Chinese court astronomer during the Han Dynasty, produced a seismometer (pictured) with an inverted pendulum that indicated the direction of earthquakes that occurred hundreds of kilometers away?
 * ...that the oil spill which spread from the Wei River to the Yellow River was ultimately contained in the Sanmenxia reservoir?

Source

 * 1) Recent additions/2007/September, Numbered archive of Main Page appearance.
 * 2) Recent additions/2009/March, Numbered archive of Main Page appearance.
 * 3) Recent additions/2010/January, Numbered archive of Main Page appearance.