http://www.mallhours.com, http://www.businessinsider.com/biggest-shopping-malls-2012-2?op=1
If its too hot or too dam cold, the mall offers a steady comfortable temperature all throughout the year.
http://www.therichest.org/nation/the-top-10-biggest-malls-in-the-world
http://list25.com/25-largest-shopping-malls-in-the-world
http://en.wikipedia.org/wiki/List_of_largest_shopping_malls_in_the_world
http://www.skyscrapercity.com/showthread.php?p=100634194
