Visitors look at a square bronze vessel with four goats, a national treasure from the Shang Dynasty (about 1600 BC - 1046 BC), at the new venue of the China Science and Technology Museum in Beijing on July 28, 2008. More than 200 pieces of cultural relics, showing the wisdom and innovative spirit of the Chinese nation, are on display at the show which will end on September 20. [Xinhua]