Haiku

Structure:
* 3 Lines
* Lines 1,2,3 have 5,7,5 syllables respectively.
* Unrhymed

Characteristics:
Observing nature.

Origins:
It is of Japanese origin. A Haiku is short poem of a keenly observed moment
that pertains to nature or human nature.

Example:

An old pond!
A frog jumps inó
the sound of water.

Basho