Tourists walk the ancient Great Wall of China at Mutianyu, north of Beijing (formerly Peking), China

activity vacations adventure travel ancient antiquities antiquity barriers castellated walls china chinese chinese tourists distant views east asia eastern culture ethnic diversity exotic locations far east far reaching view force fortified high walls historical sites landmark long distance long walk mountainous region old stone panoramic views protection steep climb steps stone walls strength the great wall tourism site tourist destinations tourist site walking holidays wonders of the world world heritage site barrier boundaries boundary daytime defence fortification full length full lengths historic site history horizontal landscape limestone mountain mountains outdoors outside place places of interest real people slope small group of people stock image stock photo stock photograph tourist attraction tourist sight travel destination travel destinations travel photo travel photograph travel photography travel stock travels typical vacations walking world culture travel chinese culture chinese ethnicity chinese appearance asian ethnicity asians international landmark national landmark landmarks travel experience tourism destination sightseeing travelers visitors visiting travellers traveler traveller visitor visit sightseers world cultures culture national culture color image color colour scenic scenics landscapes