Space: 2069

The competition inspired designers to come up with concepts that ranged from the intriguing to the fantastic, including a lunar hotel, a solar generator facility and a full-blown city. As CNN reports,

"As entertaining as some of the designs were, they proposed solutions to serious issues such as world hunger and shrinking energy resources. The winning entry by designer Bryna Andersen imagines a moon base surrounding a massive satellite dish that would collect solar energy and beam it back to Earth. Another concept puts a moon colony in a hole in the ground called a lava tube."