McIlwee and Damaschke built out a concrete terrace below the house and carved out a pool in the shape of an ellipse one of Mr. Lautner's trademark designs.
The National Park Service will distribute free, timed tickets at the Ellipse Visitor Pavilion located at 15th and E Streets on each tour day beginning at 8:00 AM.
Obama will join the President at the National Park Service at the National Park Foundation's Annual National Christmas Tree Lighting Ceremony held on the Ellipse at 5:00 p.m. eastern.
When these platforms are dropped off by their launch rockets they are in a large ellipse around the Earth running from just a few hundred km above the planet out to 36, 000km.