Managua pieces from new promising artists, are exhibited. In the numismatic hall there is a permanent exhibition of Nicaraguan coins, bills, and memorial medals from throughout Nicaragua's history. Managua is also home to "Museo Sitio Huellas de Acahualinca" (the Museum of Acahualinca), where the Ancient footprints of Acahualinca, fossilized Paleo American footprints made 2,100 years ago, are engraved in volcanic ash. The museum is located in west Managua in the Acahualinca neighborhood. In addition to the footprints, the museum also displays artifacts found in other localities around the country. Artifacts such as mammoth footprints, pre-Columbian tools, a skull from León Viejo,
Managua Somoza García and his family (1936–1979), the city was rebuilt and began to grow rapidly. New government buildings were erected, industry developed, and universities were established. The city's development caught the attention of Irving Fields and Albert Gamse, who composed a musical piece about the city that became popular in the 1940s through the performances of Freddy Martin, Guy Lombardo and Kay Kyser. Managua had become Central America's most developed city. Today's references differentiate the pre-1970s Managua by labeling it as "La Antigua Ciudad," which in English translates to "The Ancient City" or "The Old City". Managua's progress came to