Great work with the 3D buildings for Cape Town. I like the idea of using a more colorful representation instead of the boring gray 3D buildings Google uses by default. I've written about your collection at the Google Earth Blog.
Read the
story here.
Here's a screenshot:

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Frank Taylor - Author of
Google Earth Blog All about Google Earth news, features, tips, technologies, and applications. Also read:
http://TahinaExpedition.com(If you have story ideas, please send me a private message.)