Hikers descend the curving South Kaibab trail in Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

travel destination photography horizontal colour image hiker south kaibab trail grand canyon national park unesco world heritage site arizona united states of america north america day non urban scene three people incidental people tourist rear view full length walking mountain majestic international landmark adventure leisure dramatic landscape sky men women high angle view rock geology physical geography extreme terrain scenics national park outdoors famous place natural landmark tourism vacation lifestyle horizon over land usa us united states american north american colour color image color outside tourist destination travel horizon horizons high angle elevated view from above looking down background people people in the background topography scenery scenic scene scenes picturesque unesco world heritage sites unesco world heritage site world heritage sites vacations holiday holidays tourists holiday maker holiday makers on holiday on vacation