Elefsina is one of the five most important sacred cities of antiquity, the city of the Elefsinian Mysteries and birthplace of Aeschylus, Eleusis.
As one of China’s Central Cities, Xi’an is the capital of Shaanxi Province. It was the starting point of the ancient Silk Road and the capital of such splendid dynasties as the Han and Tang. The city’s long history can be traced back to the Paleolithic era.
Concepción stands out as a university city and a cultural reference point in the country.
Košice is the second largest city in Slovakia with a population of approximately 240,000 inhabitants, situated in the far east of the country. From the half of 20th century, the city has been built around metallurgy and machinery industry.
London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. The English National Opera (ENO) is an opera company based in London and it is one of the two principal opera companies in the city.