Wall+Presentation

- Solid structures used to divide spaces

- Materials: concrete, wood, glass, brick, stone, metal, etc

- Types of wall:
 * Load- Bearing** walls (are used as support for roofs, arches and floors)
 * Nonbearing** walls (only used as a division, not for support à exteriors, as shelter)
 * Boundary** walls (barrier for the cities, for example)
 * Retaining** walls (barrier for earth movement, water, etc)

-Walls can define and protect areas, and divide spaces