Photo Source: Fotos aus dem 1. Weltkrieg (Stahlgewitter)
For information about the Priesterwald /Bois-le-PrĂȘtre see: Bois-le-PrĂȘtre fighting (Wikipedia)
Quartzite sandstone pillars in Zhangjiajie, China
Photo Credit: Yury Pustovoy
For more information about the place pictured here, see Wulingyuan (Wikipedia)