"'Chinese 700 Years Old Chang Kong Cliff Hiking Path"
"The Cliff road is believed to have been created in the 13th century, during the Yuan Dynasty, by followers of He Zhizhen, the first master of the Mount Hua Sect of Taoism..."
"'Chinese 700 Years Old Chang Kong Cliff Hiking Path"
"The Cliff road is believed to have been created in the 13th century, during the Yuan Dynasty, by followers of He Zhizhen, the first master of the Mount Hua Sect of Taoism..."
Considering they still work... why we making stupid ones now? The vertical design is mich safer and more efficient than the pinwheel.