The system pumps out concrete floor plans 24 hours per day, with the roof being the only part of the house that is not 3D printed. All the homes in the Lennar community are solar-powered.

“By 2040 or 50, there’s going to be a huge population of people over 65 who are going to be faced with staying in their house or not ... notes that ramps need 1 foot for 1 inch of elevation.

Greenland’s prime minister called the trip by the U.S. national security adviser and vice president’s spouse “highly ...