Macao Island: Macao Inner Harbour and adjacent Barra Fort, from the Island of Patera. Photograph by W.P. Floyd, ca. 1873.

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Macao Island: Macao Inner Harbour and adjacent Barra Fort, from the Island of Patera. Photograph by W.P. Floyd, ca. 1873. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.