1. San Telmo is a historic neighborhood in Buenos Aires, Argentina. It is known for its cobblestone streets, colorful architecture, and cultural attractions such as tango shows and antique markets. The neighborhood has a bohemian vibe and is home to many artists and designers. San Telmo is also known for its nightlife, with many bars and clubs catering to a younger crowd. Additionally, the neighborhood is home to many museums and art galleries, showcasing the rich cultural and artistic history of the area.

2. The working hours of businesses in San Telmo vary depending on the type of establishment. Most businesses are open from Monday to Saturday, with some restaurants and bars staying open late into the night. The best way to find out the working hours of a particular business is to check their website or call them directly.

3. San Telmo is easily accessible by public transportation, with many bus and subway lines running through the area. The cost of a bus or subway ticket is relatively inexpensive, with multiple options available including single-ride tickets, rechargeable cards, and daily passes. Visitors can also explore San Telmo on foot, as the area is relatively compact and easy to navigate. Some of the main attractions in San Telmo, such as the antique market and tango shows, may require a ticket or entrance fee. It is best to check in advance for any ticketing information or visit a tourist information center in the area.