A room installation including: a room having at least one wall, a ceiling, and a floor, each of which is at least partially covered by a mirrored surface; at least one transparent window to permit ambient light into the room; and a first plurality of mirrored balloons arranged within the room, and filled with a mixture of helium and another gas, the mixture configured to float the balloons of the first plurality of balloons substantially within a middle height of the room; and a plurality of vents to circulate and move the balloons of the first plurality of balloons in a designated pattern within the room.