One of the many reasons to go on holiday is to experience a new culture. And while exploring a city on your own may be fairly enjoyable, Touriocity wants to take your holiday up a gear by offering bespoke walking tours run by history buffs and travel junkies alike.

Cities worldwide are ridding themselves of ‘visual pollution’ by limiting or banning outdoor ads. But in the US, Colossal Media has another solution – its hand-painted billboards live at the intersection of art and advertising, and are just as popular with locals as the brands that commission them.

Domestic violence is now the leading cause of death for women under 45 and people all over the world are feeling empowered to end this cycle of mistreatment. With a woman assaulted every 15 seconds in São Paulo, the city's graffiti artists are taking a stand against this kind of violence.

Half a million visitors will descend on Rio for the 2016 Olympics. But while Brazilians are a sociable bunch, only 5% of the population speaks English. In a bid to minimise language barriers, Google has launched the Eu Falo Tradutor scheme to help locals make the most of Google Translate.