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Coinciding with the 50th anniversary of its completion, Blake Gopnik recalls the significance of his childhood home in Montreal's Habitat '67. 

“For sheer sensory excitement, Habitat could not and cannot be matched. Every minute in the building felt unlike the next, as space, light, air and sound danced around you. My parents built a jungle-gym on one of our terraces, but the building was the best climbing frame of all.”