The sensation as you dive head first down the sardine's gullet is less like a bouncy castle and more like a smellier, slimier version of a water chute. It is nonetheless fun. Wheee. You land with a splutch among the soggy remains of whatever it is that sardines eat. It looks and feels for all the world like luminous green custard, and it lights up the fishes' cavernous stomach with an eerie glow. Diamomds of gold litter the floor of the cavern. To take the crystals, click here. To leave them and head along a passage to the north, click here. To go east, click here.