Here are three videos that show how fast and fierce the fires can be with old and dry Christmas trees. I see these videos all the time but it truly is terrifying to think that in just 60 seconds there can be a firestorm in your house.
This is a dry tree vs. a tree that has been watered.
This is a dry tree exploding into a firestorm.
Here is a local broadcast where they proved the point as well.

