Multi-purpose structure

A multi-purpose structure, especially useful as a greenhouse or other plant-protective structure, comprising; (a) a framework comprising a plurality of vertical supports, said vertical supports being arranged in rows that extend the entire width of the structure, wherein each of said rows contains at least two vertical supports having substantially the same height, said framework further comprising a plurality of connecting members that connect the vertical supports in a row to one another at junction points located at the tops of said supports; the framework further comprises a plurality of permanent cross strips extending perpendicularly to said connecting members; (b) at least one flexible sheet adapted to be weaved through said connecting members and extending the entire length of the framework so as to form at least a part of a roof of said framework.