• The London Games have a five-venue Olympic Village on which construction began as much as six years ago.
• The companies that built the Olympic Stadium used 6,500 cubic meters –  230,000 cubic feet – of concrete recycled from sites where previous Olympics were held.
• Brazil, where the 2016 Games will be, is considering buying and moving the London Games' basketball arena.

From the article:

The 2012 summer Olympics start in one week. Whether or not you'll be tuning in to cheer on your country or your favorite Olympic athletes, as a member of the construction industry, you might be interested in tuning in just to see the venues. ...