Prefrabricated shelter

A prefabricated shelter which comprises:

• a) an arched framework having open opposite ends and a plurality of arcuate ribs, said arched framework includes a pair of slide bottom rails, each said bottom rail is an elongated L-shaped angle member having a first leg which sits upon the ground and a second leg which extends upwardly next to the bottom portions of one side of said arcuate ribs, each said arcuate rib is of a unity construction and is fabricated out of an elongated hollow tubular member, each said arcuate rib includes a pair of upright column segments, a pair of eaves corner segments, and a pair of rafter segments terminating at a peak, each said arcuate rib includes a pair of first bend segments, each located between a top of one said column segment and a bottom of one said eaves corner segment, a pair of second bend segments, each located between a top of one said eaves corner segment and a bottom of one said rafter segment, and a center bend segment located between the tops of said rafter segments, which is the peak, and means for retaining the bottom portions of said arcuate ribs to said side bottom rails, in which said arcuate ribs will be in spaced apart relationships to each other to form said arched framework in a generally lightweight and strong configuration, each said retaining means includes a rectangular plate attached onto the first leg of one of the L-shaped angle members, and a short cylindrical post mounted onto and extending upwardly from said rectangular plate, the bottom end of one of said upright column segments fits thereon.