The researchers tracked the variation in net extraction over time and compared it to seismic activity. (sciencedaily.com)
There's actually 5 new Urban locales that brings the total number of track variations to 114. (newgamenetwork.com)
In total, you get sixteen locations to play on, but each one has several track variations which bumps up the available track amount up by a good bit. (wolfsgamingblog.com)