How has vert skateboarding evolved?

How has vert skateboarding evolved?

Tony Alva (Pro Skateboarder) gives expert video advice on: What does 'skating vert' mean?; Is vert skateboarding difficult to learn?; What's the difference between street and vert skateboarding? and more...

Tony Alva, a professional skateboarder brief discussion about skateboading tell the story of how "Vert Skateboarding has evolved from jumps skateboarders' use to do on the street to jumps where they do in professional arena's that some times be as high as 60 to 70 feet. Tony also talks about Vert Skateboarding Mega Jump which was an event the "X" Games event and he places a lot of emphasis on the steepness of the slopes and the thrill of flying a huge gap.