The tour begins in this crowded city of over 20 million people. it is the country's capital and was built on the ruins of tenochtichlan, dating back to aztec times. in the centre of the city lies the plaza de la constitucion, which was built from stones taken from this ancient city. a short walk will take you to the alameda, one of the largest parks in mexico city. originally an aztec marketplace, it is now surrounded by museums, bustling markets, shops and restaurants. if you want a quick bite to eat, street vendors can be found virtually everywhere selling good food at reasonable prices. if you're ready for a night out on the town, then head to the zona rosa where you can enjoy lively performances of traditional music and dance. нужен перевод данного текста,заранее )