The Roof Of The Paris Opera House

One f the most curious features of the edifico in the roof, the superficies of which is flfteen thousand inetrés. The part coyering the stage, is ooaspicuousJj novel in oonstnietion. A heavy reinadora iniglit have had a dis&strous effed on go a:-.t a Bttrfaoe. From the ridgo to tlif edge, the waters are heU in check y two dams, which genüy. regmlates ffie How :ni directa it int frwo immense channels, whenoe the Hood rolla into ! large gargoyles and liarmU-Msly passes i away,-