Tourists walking towards a guard tower on the Great Wall of China at Mutianyu in autumn, UNESCO World Heritage Site, near Beijing, China, Asia

architecture asia asian at attraction attractions autumn beijing building buildings china chinese day daylight daytime during exterior exteriors famous fortification fortifications fortress fortresses great guard heritage in known landmark landmarks mutianyu near of on outdoor photo photos renowned seeing shot shots sight sights site site sites sites the tourist tourists tourists towards tower unesco walking wall wall walls well well known world worth