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

A group of tourists were sitting at an outdoor table in the Spanish city of Barcelona, trying to enjoy their drinks, when a woman raised a cheap plastic water gun and shot an arc of water at them. Her weapon of choice — the cheap,

Protesters used water guns against unsuspecting tourists in Barcelona and on the Spanish island of Mallorca on Sunday as demonstrators marched to demand a rethink of an economic model they believe is fueling a housing crunch and erasing the character of their hometowns.