The lilies sprouted from a stadium-sized cut-crystal vase, the Diamond 
Palace, which was open to the public. Tourists, aerobicizing pensioners, and 
ranks of uniformed schoolchildren marched through it year in and year out, 
peering through walls of glass (actually solid diamond, which was cheaper) at 
various phases of the molecular disassembly line that was Source Victoria. 
Dirty air and dirty water came in and pooled in tanks. Next to each tank was 
another tank containing slightly cleaner air or cleaner water. Repeat several 
dozen times. The tanks at the end were filled with perfectly clean nitrogen gas 
and perfectly clean water.