Portugal's capital is Lisbon. It has a population of over 10 million and its official languages are Portuguese and Miranda. Some key cultural traditions in Portugal include greeting others with a smile, avoiding noises while drinking or eating, and not putting objects in your mouth like cigarettes when speaking. Famous Portuguese people include Cristiano Ronaldo and Vasco Da Gama. Popular landmarks are São Jorge in Lisbon, the town of Sintra, and the Tower of Belém in Lisbon.