National Geographic : 1927 Nov
Photograph by A. W. Cutler RIVERS SERVE AS WASHTUBS FOR THE WORLD Here fish know the taste of soapsuds-and have gobbled at many a lost button. For nearly 500 yearsthe laundry women ofCoimbra have gathered on the Mondego at low tide to wash for the college boys. The Mondego is the only one of Portugal'sfive important streams which rises within the country. The others are Spanish-born.