ZHANGJIAKOU, CHINA - NOVEMBER 3, 2023 - Fozhen Lynx Yiluoni tower of Liao Dynasty in Ta 'er village, Zhangjiakou City, Hebei Province, China, Nov 3, 2023. Fozhen Lynx Yiluoni tower dates back to 906 years ago. Fozhen Lynx Yiluoni tower pier is octago