This great city of [tenochtitlán] is situated in this salt lake . . . . there are four . . . entrances to the city, all of which are formed by artificial [walkways] . . . . the city is as large as seville or cordova; its streets . . . are very wide and straight . . . . all the streets at intervals have openings, through which the water flows . . . and at these openings, some of which are very wide, there are also very wide bridges, composed of large pieces of timber, of great strength and well put together; on many of these bridges ten horses can go abreast. this quotation describes an aztec city. an inca city. a maya city. a zapotec city.