Shock the world! 1,000-year-old copper mine engineering sites in China | China Documentary скачать в хорошем качестве

Shock the world! 1,000-year-old copper mine engineering sites in China | China Documentary

#history #mystery The discovery of bronze axe-heads on Tonglu Mountain in 1973 eventually turned out to be one of the most momentous excavations in the history of Chinese archaeology, demonstrating that modern-day mining engineering principles such as the use of Y-shaped pillars were being used in China long earlier than anyone thought possible! ▶▶Subscribe to China Documentary: https://bit.ly/31ODgus ▶The Legend of Mining and Metallurgy: https://bit.ly/3Qoe1bM Click to Watch More: ✪Resurrection of Ancient Books: https://bit.ly/3rWyJVJ ✪The Kung Fu Shaolin: https://bit.ly/44CfCPr ✪Into Chinese Kung Fu: https://bit.ly/3O9i2wp ✪Wudang, Home of Tai Chi: https://bit.ly/3nx9AdL ✪Weapons of Ancient China: https://bit.ly/3yUqXgG ✪Masters in the Forbidden City: https://bit.ly/3K7PtQp ✪Chinese Artisans and Craftsmen: http://bit.ly/3O1hb1Y ✪Most Amazing Places in China: http://bit.ly/3Gy7Hte ✪A Bite of China Season 3: http://bit.ly/3Xic8Oa ✪The Power of Nature: http://bit.ly/3xfYwIb ✪UNESCO World Heritage Sites in China: http://bit.ly/3O7OUXw ✪China’s Historic Towns: http://bit.ly/3GjKkDv ✪China's Mega Projects Season 3: https://bit.ly/3XjOgZJ ✪One Minute China: https://bit.ly/3VNiDbu ✪World Heritage Archives: https://bit.ly/3qVCJ4K