Panama Canal Zone: large 'mosquito-proofed' houses with screened porches. Photograph, ca. 1910. https://www.rawpixel.com/image/13989078/photo-image-palm-tree-plantFree Image from public domain licenseThe Panama Canal Zone chief engineer's residence (right), administration building (centre), and staff quarters (left)… https://www.rawpixel.com/image/13976334/photo-image-plant-grass-skyFree Image from public domain license