Eleven different pumps recirculate water through the mountain, which includes a grotto area with a television, couch and bar.

WSJ: High Water Marks

Most commercial aircraft in service recirculate 50 percent of the air delivered to the passenger cabin for improved control of cabin circulation, humidity and fuel efficiency.

CNN: Commentary: Flu and your health on a plane

But each paycheck was a little bit bigger because of the steps that we took, and that meant that you could recirculate that money into the economy and keep demand up, which helped avert a depression.

WHITEHOUSE: Rebuilding the Economy, Creating New Jobs