SMELL.

SMELL

Smell may refer to:

• Olfaction, the sense of smell, the ability of humans and other animals to perceive odors
• Odor
• In programming, a code smell is a symptom in the source code of a program that something is wrong.

http://library.thinkquest.org/3750/smell/smell.html

Certain smells remind you of memories, for example the smell of chips may remind you of a beach holiday or a trip to the seaside. The smell of metallic and musk reminded me of an arcade as walking past so I decided to focus my images on this.