You need to see Defqon.1's official end of festival light show (Video)

If you're a hardstyle fan then you know, but if you're not, listen up. Defqon.1 is one of the world's largest hardstyle festivals in the world. Defqon.1 takes place in the Netherlands and Q-Dance, the main global promoter of all things hardstyle, is famous for putting on these mega light shows that are simply mind blowing. 

Check out the 2015 Defqon.1 end of show spectacular below - it's 20 minutes long but it's well worth your time: