1. The system of buses is very well-developed in the city, so travelers can easily get to any area of Madrid by public transport. If you plan to travel frequently, you can purchase a special pass from the driver.
2. In order to rent a car, you will need to have a credit card, a passport and an international driving license. By the way, the age of a renter must be at least 21 years.
3. Car rentals located near railway stations are considered the most advantageous ones.
4. Those tourists, who plan to visit museums and cultural events, are advised to purchase Paso del Arte cart. It entitles you to a discount for buying tickets to museums, as well as free admissions to some cultural institutions.
6. While making a walk, it is recommended to bring a copy of your identity card or a hotel card.
7. Do not make trips to remote areas of the city alone. It’s better to observe them together with a guide and a tourist group.
Palacio de Cibeles, Almudena Cathedral, Museum of Natural Sciences, Santiago Bernabeu Stadium, Puerta de Alcala, as well as many others, they all become the world's cultural heritage objects and remain as iconic monuments for Madrid … 
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9. Special telephone booths or communication cabins are the most beneficial way to make phone calls to other countries. The phone calls made in the hotel will be the most expensive ones.
10. Do not take pictures of local people without their permission. Also it’s restricted to make photos of some strategically important objects - the metro station, bridges, government buildings and facilities located in the port area.
