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Square with a Circular Building on the Left and an Obelisk in the Background
From the collection of National Gallery of Art. Free to download, adapt and use — no permission needed.
Credit lineSquare with a Circular Building on the Left and an Obelisk in the Background. 1560. Lucas van Doetechum and Johannes van Doetechum, the Elder, after Hans Vredeman de Vries. National Gallery of Art, Ailsa Mellon Bruce Fund. CC0.