City-states

Climate change, migration, artificial intelligence, perspectives on Africa and combating nationalism take center-stage this year at Art Basel, the world's top contemporary art fair.

The illumination of the castle town of Monemvasia, southern Greece has divided locals, with some saying the project will highlight the landscape and monuments, while others insist it will alter the area's character and increase its touristification.

Three fragments of the Athens Parthenon, hosted for centuries in the Vatican collections and museums, will be returned to Greece after the Greek Minister of Culture, Lina Mendoni, signed the donation protocol in Rome on March Tuesday.

30 years have passed since the fall of the Berlin Wall, the symbol of the Cold War.

Initiated by Athens Partnership (a non-profit organization founded by the Mayor of Athens, Giorgos Kaminis), a program titled "This is Athens - Polis," aims to clean up the city's historic center by eliminating tags and other vandalism on the city's walls, and at the same time add a new creative touch, for which an open call for artists has been issued.

A Turkish market in German capital Berlin.

The third annual Athens Coffee Festival returns to the Technopolis cultural complex in Gazi from Saturday, September 29, to Monday, October 1. The event will feature an array of brands and trends as well as seminars and workshops for all coffee-lovers. Admission costs 5 euros per day.

ADDIS ABABA (Reuters) - A military helicopter crashed in Ethiopia's Oromiya region on Thursday and all 18 people aboard, including 15 soldiers, were killed, the state-affiliated news agency Fana said.

The other three dead were civilians, Fana said. There was no immediate word on exactly where the helicopter came down and whether there were any casualties or damage on the ground.

Did you know that under Potsdamer Platz in the center of Berlin there is a large tunnel system?

Once the square was separated from the Berlin Wall between the Communist GDR and the capitalist Federal Republic of Germany, the Deutsche Welle reported.

Koukaki, the central Athens neighborhood at the foot of the Acropolis, has been living in a parallel economic universe compared to other parts of the capital, thanks to the boom in short-term leasing becoming part of the investment plans of foreign investors.