Managua of a new cathedral located in another part of Managua. Restoration of the old cathedral has appeared to be possible. The Rubén Darío National Theatre is Nicaragua's most important theater, and is one of the most modern theaters in Central America. Both national and international artists present shows, concerts, exhibitions, and cultural performances such as El Güegüense among many others. The National Theatre is one of the few buildings that survived the 1972 earthquake that destroyed 90% of Managua. The National Palace is one of Managua's oldest buildings, undamaged by the 1972 earthquake. It was commissioned by President Juan Bautista
Managua 1927. A new sewer system and the redirecting of waste water to a new waste water treatment plant at Las Mercedes funded by the German government to decontaminate the lake is expected to be the largest in Central America and was inaugurated in 2009. Managua's city area extends about , essentially south from the south shore of Lake Managua. The lakeshore is at an altitude of above sea level, and the city climbs as it gets towards the Sierras de Managua further south where it is over above sea level. Geologically, the city lies on fault lines, thus seismologists predict