Environmental Protection Agency

After knocking out Swiss maestro Roger Federer in the fourth round of the Australian Open Grand Slam tennis tournament in Melbourne, Greek wunderkind Stefanos Tsitsipas on Tuesday squeezed past Roberto Bautista Agut of Spain.

A young girl takes pictures of the snowy Temple of Olympian Zeus in central Athens, Tuesday. The cold front "Tilemachos" brought low temperatures in all over Greece and snowfall even in the centre of Athens. In many parts of Greece, most of the schools will remain closed in order to avoid possible accidents.

European Commission President Jean-Claude Juncker (r) welcomes Greek President Prokopis Pavlopoulos on Wednesday at the European Commission in Brussels, the first time a Greek president has been invited to speak at the EC. In a joint press conference, Pavlopoulos referred to Juncker's decisive role in supporting Greece at difficult moments during the crisis.

Thousands of protesting students flooded Tirana's George Bush Street near parliament on Thursday, in the ninth day of protests in Albania against tuition fee rises, over university autonomy and living conditions in dormitories.

Hearing-impaired protesters wear white gloves to sign slogans during a rally marking International Day of Persons with Disabilities, in downtown Athens, yesterday. Hundreds of demonstrators took part in the march, demanding better protection of their rights and tax breaks.

Greece's state-controlled DEPA gas company has concluded the acquisition of Shell's 49 percent stake in a domestic gas supplier and in a gas distributor in Athens, becoming the sole stakeholder in the two companies, it said on Wednesday.

Greek Migration Minister Dimitris Vitsas (r) with Romanian Interior Minister Carmen Daniela Dan (l) during their visit at the refugee camp of Schisto, near Athens, Tuesday. [Yannis Kolesidis/EPA]

Prime Minister Alexis Tsipras (r) is seen with Swiss President Alain Berset (l) and Russian Prime Minister Dmitry Medvedev at an international conference in Palermo aiming to explore a new UN roadmap for Libya. [Igor Petyx/EPA]

The Romanian government faces strong opposition after a local environmental protection agency issued a permit allowing one of the country's biggest, oldest and most polluting coal-based power-plants to function indefinitely.

Amnesty International's Secretary General, Kumi Naidoo (r), holds a child while talking with women refugees during his visit at the 'Melissa' network for migrant women in Athens on Friday.