The first Christmas trees were hung upside down. We know that kind of thing...
The ten foot tree that weighs a ton, or just feels like it. http://collectibles.about.com/od/christmastrees/ig/Upside-Down-Christmas-Trees.-KYu/Upside-Down-Christmas-Tree.htm
Thinking about an upside down Christmas tree?
Upside down Christmas tree
Whimsical Red, White & Green Upside Down Christmas Tree this would be perfect with Luke! He wouldn't be able to get to the ornaments!
How NOT to Hang Your Christmas Tree Upside-Down (A Real-Life Story): If at first you don't succeed, dust your tree off and try again. via @domainehome
How to hang a Christmas tree upside down.
These DIY Alternative Christmas Tree ideas are quick and easy to make, even if you've left your tree to the last minute.
1000+ ideas about Upside Down Christmas Tree on Pinterest ...
Upside-Down Christmas Trees Space-saving floor space