Gardens surround board-marked concrete house in Mexico City by PPAA Arquitectos

Mexican firm PPAA Arquitectos has used board-marked concrete to frame a patio on the rooftop of this house in Mexico City, where residents can lounge in a hammock. 
The residence called Casa Sierra Fría is located in the capital's residential neighbourhood Lomas de Chapultepec.The property rises at the centre of the plot as three stacked volumes that gradually decrease in size. Gardens surround the property on the ground level to offer privacy from activity in the surrounding ar