Modular
it might initially only assemble the columns and close with what is available and, in the future, add the panels, the roof, other rooms, etc. ...

Solution

The system is designed to be Self-assembled.

The basic concept is to assemble lightweight structural elements and then stabilizing them with sand or materials available in the area.

The closing panels attaches easily to the structure.

The structure is modular and therefore expandable, the materials are all recycled, on the basis of future financial resources can embellish or enlarge.

By contradiction, it might initially only assemble the columns and close with what is available and, in the future, add the panels, the roof, other rooms, etc. ...