The viewing rooms UNDER the water were pretty slick. I can't imagine how complicated it was to build (and to maintain).
December 12, 2014@15:01

K5__6851
1/10 sec at f / 4.0@16 mm
ISO 3200
PENTAX K-5
smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM