collection of four natural s: fire, water, air and earth.

abstract acorn air asian bird blaze blazing blue bonfire bright brown burnout cloud collection concept crankle cyan danger decorative design drawing earth ecology element elements energy essence fiery fire fish flame flaming fly four ground harmony health heaven hot icon illustration isolated land lifestyle logo natural nature ocean orange oriental painting pattern philosophy red river sea set sign silver sky splash squirm symbol template texture textured twist vintage water watercolor watercolour wave yellow zigzag