realization of an underground car park in Piazza Bagolino, together with the creation of the near suburban park San Francesco. The interest in environment is also associated with that in the territory, in fact, after the adhesion to the initiative "Rifiuti Zero" (Zero Rubbish), Alcamo has been considered an example to be followed for the results got between 2010 and 2013 in the field of waste sorting (raccolta differenziata). Coat of arms The Coat of arms of Alcamo used since the kingdom of Frederick II of Swabia is a black flying Eagle, crowned by Gold in a Silver range, with three hills below and two Golden Oaks. A sculpture of the coat of arms is put on a side wall of the Church of Saint Francis of Assisi, near Porta Palermo. Main sights Civil buildings There are several historical civil buildings in Alcamo: House of Ciullo d'Alcamo (3, Piazzetta Leopardi, near the Church of Saint Francis of Assisi (Alcamo) Palazzo De Ballis (in Via Mariano de Ballis): built in the 16th century, with a square tower with battlements, adorned with a round arch that contains two windows, a double lancet and one triple lancet; it was probably designed in 1490 by Tommaso and Pietro Oddo Ex Loggia Comunale (1500): built after the design of the architect Domenico Vitale, it has a base made with travertine and the upper part in calcarenite. It was used as a loggia from 1525 to 1767; It is located at the corner between Corso 6 Aprile and via Barone di San Giuseppe. Palazzo Aversa (in via Porta Stella n°48): it has balconies in carved stone and the coat of arms, with a red lion looking at a red comet. Palazzo D'Angelo (between corso 6 Aprile and via Fratelli sant'Anna), built in 1768 Palazzo D'Angelo (Piazza Ciullo n°12): 19th century Palazzo De Stefani (via Commendatore Navarra, opposite to Badia Nuova): in Liberty style, was built in the 19th century. Palazzo Diana (or Termine): it is located at the corner between via Ignazio de Blasi and Corso 6 Aprile; there are two small columns at the corner, one double lancet window in via De Blasi, with the Diana's coat of arms and a cornice similar to Gothic style above the door Palazzo Di Gregorio (in via Dante): built in about the 17th century; Palazzo Ferrando-Mistretta (between via Diaz and via Sant'Oliva) Palazzo Ferrara (at the corner of