While no clear-cut answer has emerged as to the document's rightful owner, the pact ends five years of discussions between Pennsylvania andthe library andclosesthedoor on a legal fight.
When Santa leaves andthedoorcloses, he could run over and jerk on the string a few times so it sounds like the reindeer are on the roof at the back of the house.
To create the mechanics behind the wall, which opens andcloses like a garage door, Mr. Peterson worked with McLaren Engineering Group, an engineering team that has done sets for Cirque du Soleil.
If something gets in the way of the door--a person's foot or a roof panel that's hanging down--the electric motor that closesthe train door has to work harder and produces more current.