Выполняем задание, вставляя артикль 'the' где это необходимо:
- Barcelona is the second largest city in Spain and it is in the northeast of the country. About 3 million people live there and millions of tourists visit the city of Barcelona every year. There are many places to visit including the famous building Casa Batlló.
- Athens is the capital city of Greece. The city of Athens is in the south of the country. There are many important ancient sites and temples in Athens. One of them is the Parthenon. Millions of tourists visit the Acropolis every year in order to see the Parthenon and the Ancient Agora.