- guccas(scallop shell shapes)
- anechoic chambers
- underwater and outer space stuff
- breathing
- the pillow
- subterranea (underground stuff)
- mines and mining
- scuba and other breathing gear
- amusement parks and fairs
- carnivals
- fumes and vapors
- smells
apr 22 2014 ∞
apr 22 2014 +
apr 22 2014 +