Etgar Keret inside his new home, the Keret House. (Courtesy Dom Kereta / Facebook)

A sliver of a house was completed in late October in the unlikeliest of locations, a leftover space between two buildings in the once Jewish ghetto of downtown Warsaw. At slightly under four feet across at its widest point—and a mere 28 inches at its narrowest—the Keret House, envisioned by Polish architect Jakub Szczensy of Centrala, stands firmly among the world’s slimmest buildings. The unconventional house was commissioned by Israeli writer Etgar Keret, whose mother survived Nazi occupied Warsaw on the very street of the Keret House.

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