Most especially if you live in Ontario, you might want to take a gander at this truly fascinating article! In fact, it will be used for tourism as well and will also serve as a launching platform for low Earth orbit. The test model will be built in 3 years and only extend a mile high. That would still be the tallest structure ever built. In five years, the real thing will extend 12.4 miles up… That’s 20 kms. in Canuck talk! I’m sure there will be a Mall up there. Check the site for pictures and full details! I never thought I’d live to see the day!