The humble water gun — the cheap, squirt-squirt variety — has become the weapon of choice and symbol of Spain's anti-tourism protests.

As protesters marched through central Barcelona on Sunday, they shouted at the tourists who were filming them to "Go Home!".Bemused couples sitting in street cafés got squirted with water pistols and a luxury clothes store was pasted with stickers declaring the tourists who'd shut themselves inside unwelcome.

As frustrated residents in cities like Barcelona and Venice rally against overtourism, the WTTC urges governments to focus on deeper issues, rather than blaming the travel sector.

EXCLUSIVE: Guardiola dreams of World Cup glory but has no plans to leave City

Spaniards are brandishing water guns, squirting unsuspecting tourists in Barcelona to protest overtourism's affect on housing.

HUNDREDS of fed-up locals have descended onto the streets of Barcelona – blasting holidaymakers with waterguns and launching smoke bombs. Under the slogan “Tourism steals our bread,

In Italy, Portugal and Spain, activists used water pistols and a “noisy stroll” of suitcases to draw attention to rising housing costs and the environmental toll of tourism.

The seaside neighbourhood in east Barcelona has been brought back to life by galleries and studios taking over once-derelict warehouses.

That’s where Nomadic Matt (aka Matt Kepnes) comes in. A best-selling author and global travel expert known for his budget-savvy, no-fluff approach, Matt has made a career out of helping people experience cities more authentically—by skipping tourist traps in favor of walkable neighborhoods,

On Sunday, activists in Barcelona, Lisbon and other hot spots plan to take to the streets to voice their concerns about “touristification.”