A macellum is an ancient Roman indoor market building that sold mostly provisions. The building normally sat alongside the forum and basilica, providing a place in which a market could be held. Image from "City: A Story of Roman Planning and Construction" by David Macaulay.
These are two ancient Roman homes. At top, we see a room in the House of Neptune and Amphitrite, a lavish home at Herculaneum in Italy. It features a fountain in the middle of the room and wall mosaics that date to 79 C.E. At bottom, we see middle-class Roman apartments situated above shops along a street at Herculaneum.