Time for the grownups to have some fun! This year again, Montreal's La Ronde Six Flags amusement park is hosting techno-themed nights in September, and only adults can join the party.The 18+-only events will take place on Fridays from September 9 to September 30, between 6 p.m. and 11 p.m.For $39.99, you'll be able to enjoy some of your favourite attractions at night, listen to various techno DJ sets, and supposedly find "entertainment never seen before at La Ronde," as advertised on the park's Instagram page.