Gavin Grey: UK correspondent on the protests against over-tourism taking place across Europe - Heather du Plessis-Allan Drive

Large protests are held in Spain, Italy and Portugal calling for a curb on mass tourism - with Barcelona organisers telling demonstrators to bring water pistols to shoot at holidaymakers. 

Campaigners say excessive levels of tourism are forcing locals out of affordable housing, raising the cost of living and making the city centres 'unusable'.

UK correspondent Gavin Grey unpacked the protests further.

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