China has contributed many important inventions to the world over thousands of years, including paper and printing (invented nearly 2,000 years ago), the abacus, the magnetic compass, porcelain, kung fu, acrobatics, dominoes, peaches, hacky sacks, kites, ice cream, fans, fireworks, goldfish, silk, tai chi, the wheelbarrow, and tea. Tea was first drunk by Chinese emperors 5,000 years ago and is now enjoyed globally.