Chinese boy walking up steps of the Great Wall of China at Mutianyu, north of Beijing, China

1 boy 1 child adventure travel ancient antiquities antiquity backviews barriers castellated walls china chinese east asia eastern culture effort ethnic diversity exotic locations far east high walls historical sites landmark long walk old stone one boy paths peking protection steep climb steps stone walls strength tourism site tourist site uphill struggle upward angle upward view walk walking holidays way to go wonders of the world world heritage site young boy barrier boundaries boundary climbing up daytime defence destinations exercise full length full lengths height historic site horizontal keeping fit landscape limestone one child outdoors outside place places of interest slope stock image stock photo stock photograph tourist attraction tourist sight tourists travel destination travel photo travel photograph travel photography travel stock travels vacations walkways world culture travel travel destinations chinese culture international landmark national landmark landmarks tourism destination sightseeing travelers visitors visiting travellers traveler traveller visitor visit sightseers world cultures culture national culture color image color colour scenic scenics landscapes