Student touching a statue in Daulatabad fort, Maharashtra, India

The Forum Romanum (Roman Forum) and The Colosseum (Colosseo), UNESCO, Rome, Lazio, Italy

Elephant riding camp near Chiang Rai, Thailand

View of restaurants and tour boat in Dotonbori, vibrant entertainment district near the river, Osaka, Honshu, Japan

Cruise boat owned by Luang Say Lodge and Cruises, moored on Mekong River in front of the Luang Say Lodge at Pakbeng, Oudomxay Province, Laos

Tourists on boat trip through mangrove fringed Nosara River estuary and Biological Reserve at sunset, Boca Nosara, Nosara, Guanacaste, Costa Rica

The Forum Romanum (Roman Forum), UNESCO, Rome, Lazio, Italy

Aboriginal art site Arnhemland, Aboriginal guided tour, Oenpelli, Arnhemland, Northern Territory, Australia

Guides and boatmen with poles in mokoro or makoro canoes, tourists in the back of the boats, Okavango Delta, Botswana, Africa

Guide and boatman with pole on a mokoro or makoro canoes, tourists in the back, Okavango Delta, Botswana, Africa

Camel rider being guided through the desert, Erg Chebbi, Merzouga, Morocco, North Africa

Camel rider being guided through the desert, Erg Chebbi, Merzouga, Morocco, North Africa

Two rafting guides cooking a meal at camp while on a Green river rafting trip, Desolation/Gray Canyon section, Utah, USA

French toast getting made in an outdoor kitchen during a Green river rafting trip, Desolation/Gray Canyon section, Utah.

Two rafting guides cooking a meal at camp while on a Green river rafting trip, ?Desolation/Gray?Canyon section, Utah, USA

Scenic sunset at rafting trip camp, Desolation/Gray Canyon section, Utah, USA

Camp on a Green river rafting trip, Desolation/Gray Canyon section, Utah, USA

Scenic sunset at rafting trip camp, Desolation/Gray Canyon section, Utah, USA