The app is run by Santa Rosa-based nonprofit Sherwood Forestry Service, named for the forest where Robin Hood roamed.

He has often been likened to Arsenal legend Thierry Henry - great with the ball at his feet, intelligence to roam centrally and out wide, all with a trademark effortlessness.

"You can step back in time and get an idea of what it would have been like, these massive creatures just roaming around, going about their own business."

For the past 12 months our photographers have roamed hotel rooms, celebrity homes and even hideaways of the Hollywood Bowl in search of transcendent shots of Hollywood and arts figures in their element.

This has caused problems for those who need to go to hospital for medical treatment and nomadic tribespeople who need to roam across pastures with their herds, he said.