Inspired by Angkor Wat, 'Tír na nÓg' is part playground, part landscape, part ruin. Designed by Drew Heath, the house brings the outside in, and the inside out, to create a blurring of space that works in harmony with the Sydney climate. It's a great time for Australian architecture, with form complementing function and aesthetics achieving green outcomes. 

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mage courtesy of Brett Boardman via SMH.