Managua that Managua will experience a severe earthquake every 50 years or less. Managua features four smaller crater lakes or lagoons within city limits. The most centrally located is the Tiscapa Lagoon in the Tiscapa Lagoon Natural Reserve. Managua, due to its tropical climate, varied topography, naturally fertile soils, and abundant rain and water sources, boasts a great variety of flora. Many different types of trees, some of which are not found elsewhere in the world, appear, including "chilamate"s, "ceibo"s, "pochote"s, "genízaro"s, "tigüilote"s, royal palms, "piñuela"s and "madroño"s (Nicaragua's national tree) surround the city. During the rainy season (May to November),
Managua Foreign embassies in Managua also sponsor film festivals. Since the late 1990s and early 2000, many casinos and karaoke bars opened and have remained popular attractions for Nicaraguans and foreign visitors. Popular music includes the Palo de Mayo, Merengue, Cumbia and Latin pop among other Latin music genres, as well as American pop and rock. Salsa dancing is a national pastime. Managua boasts a vibrant night life. Nightclubs and bars are abound in Managua, particularly, in the popular areas called "Zona Viva" located in the shopping mall "Galerías Santo Domingo", as well as very close by "Plaza Mi Viejo Santo