Boundary piles on Red Pine Ridge, scenic spots. The approximate location is the Baidu map location where I am. Boundary piles on Red Pine Ridge, scenic spots. The approximate location is the Baidu map location where I am. Boundary piles on Red Pine Ridge, scenic spots. The approximate location is the Baidu map location where I am. Boundary piles on Red Pine Ridge, scenic spots. The approximate location is the Baidu map location where I am.