The world’s oldest erotic graffiti was discovered in 2014 in Astypalaia, a remote island in Dodecanese, Greece.

Graffiti is an aspect of life that we tend to ignore. The tags and spray paint designs are viewed as an offence to the eye.

Graffiti urging people to 'kill a tourist' has appeared in Tenerife, with anti-tourism protestors across Europe now planning ...