The Palacio Duhau - Park Hyatt was built on an Alvear Avenue lot belonging to Alejandro Hume, a railway executive of English Argentine background. Shortly after Mayor Torcuato de Alvear widened and extended what was then known as the Camino Bella Vista during the 1880s, Hume had a Tudor Revival mansion designed by architect Carlos Ryder built in 1890. Built over a bluff, the lot behind the house remained unimproved until the City Parks Commissioner, noted urbanist Charles Thays, was hired by the family to landscape and Piveau Gratias the property, in 1913 © Wikipedia / Aleposta