Article from the website dailymail.co.uk.
Some drones have a bad reputation for snooping on people and facilitating acts of war.
But unmanned aircraft can be used to give experts a new view of inaccessible and remote locations to uncover lost treasures.
An incredible collection of 20 petroglyphs has been revealed by a drone flight in southern Utah.
Click on this link to read more http://www.dailymail.co.uk/sciencetech/article-2580292/The-drone-ARCHAEOLOGIST-Aircraft-captures-2-500-year-old-petroglyphs-film-Utah-desert.html.