Via @ArchDaily, a modern rooftop greenhouse for a 19th century row house in Pittsburgh, Pennsylvania. "The new pavilion serves as both a garden and common room with indoor and outdoor areas including deck platforms with spectacular views." More at Studio d'ARC.





"The pavilion will also act as a supplemental heat source for the apartments (for both heating and hot water). Excess heat from the pavilion and warm earth and plant fragrances are circulated to the apartments below during the winter months."