1. Retiro is a neighborhood in Buenos Aires known for its historic train station and bus terminal. It is also home to many parks, including the famous Plaza San Martin. The neighborhood is a mix of modern high-rise buildings and historic mansions and is known for its lively nightlife. Retiro is also home to many museums, including the National Museum of Fine Arts and the National Museum of Decorative Arts.

2. The train station is open 24 hours a day, seven days a week. The bus terminal is open from 5:00 am to midnight, but some companies offer services outside of these hours. The phone number for the bus terminal is +54 11 4310-0700.

3. To get to Retiro, you can take the subway (line C), several bus lines, or a taxi. The bus terminal offers transportation to many destinations within Argentina and neighboring countries such as Uruguay and Chile. Tickets can be purchased at the terminal or online through the bus companies’ websites. The train station offers services to destinations within Buenos Aires province and other provinces such as Mendoza, Tucuman, and Cordoba. Tickets can be purchased at the station or online through the train company’s website.