London has 6 international airports serving over 139.5 million passengers annually. Greater London has 7 airports total, including 6 main and 1 secondary. Heathrow is Europe's most important airport, located 22 km west of London
Denver is Colorado's largest city with population over 711,000. Located at 580 feet above sea level, known as Mile High City. Features mild climate with four distinct seasons. Known for outdoor activities including skiing and hiking
Turkey is a transcontinental country located between Europe and Asia. Known for rich history, diverse culture, and stunning landscapes. Features historical sites like Hagia Sophia, Ephesus, and Cappadocia
Europe comprises 45 countries with total landmass of 10,180,000 km². Major European airports include Heathrow, Charles de Gaulle and Schiphol. Budget airlines like Ryanair and easyJet offer cheap flights to 36 countries