Google Sunroof proves this theory to be mostly false. Check out 2nd street roofs for example: <a href="https:&#x2F;&#x2F;www.google.com&#x2F;get&#x2F;sunroof#a=2nd%20Street%2C%20San%20Francisco%2C%20CA%2C%20United%20States&amp;exp=7.1&amp;p=1" rel="nofollow">https:&#x2F;&#x2F;www.google.com&#x2F;get&#x2F;sunroof#a=2nd%20Street%2C%20San%2...</a>