China Crossword

1234567
Across
  1. 5. China discovered this metal second, after Mesopotamia (A country in Iraq with parts of Syria and Iran).
  2. 6. A powerful country, in 1636, covered Mongolia and Korea (4, 7).
  3. 7. This person is the most famous explorer in China (2, 2.).
Down
  1. 1. The Chinese invented the _____ in 800 A.D..
  2. 2. This is what Giant Panda's main diet, 99% in fact.
  3. 3. This province in modern China is the province that covers the north of Mount Everest.
  4. 4. This is like a barrier for the peoples of China if attacked, yet they could climb over(4, 4, 2, 5).