After buying adjacent apartments in a 19th century tenement building in Brooklyn, Alex Gil and Claudia DeSimio created a multi-level space that included a rooftop addition clad in Cor-Ten steel. While the interior is both modern and whimsical, the couple also made an effort to incorporate many of the building's original features that were revealed during the renovation process.  Photo 7 of 11 in Life After COVID-19: How the Pandemic May Reshape the World as We Know It from Duplex Renovations

Life After COVID-19: How the Pandemic May Reshape the World as We Know It

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Lower left: a 19th century tenement building converted into modern apartments in Brooklyn.