some buildings cannot be displayed correctly, they became blue/green/red cubes.
here's the link of my screenshot:
http://www.elesson.com.cn/modules/ipboard/uploads/post-18-1195836500.jpg
has anybody come up with such problem?
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plus, my mac is a powerbook 12 with 1.5gHz and 1.25G memory, the display card is nVIDIA 5200