School in Lisbon by ARX Portugal features rooftop playground

Redbridge School in Lisbon by ARX Portugal is formed of two wood-framed buildings clad with metal, one featuring a playground on its roof.
Located at two ends of a dense site, the new structures sit either side of a pre-existing building."The building site was small and quite peculiar in shape – two opposite fronts of a city block, connected by a narrow strip surrounding an existing villa at the centre of the plot," said ARX Portugal.
"These constraints set the grounds for a conceptual pat