The Best Static Air Defense in Starcraft 2??

Everyone has probably wondered which static anti air defense building is the strongest... well this your chance to find out. 900 minerals of static air defense of each: protoss, terran and zerg, lined up to fight against all air units and some collossii. Find out which battles they win and which tower classifies as the strongest defense. StarCraft 2 is a real-time strategy game created by Blizzard Entertainment. #starcraft #starcraft2 #rts