THURSDAY President Karolos Papoulias to visit the New Acropolis Museum at noon. At 1 p.m., he will meet with Governor of the National Bank of Greece Takis Arapoglou. Prime Minister Costas Karamanlis begins an official visit to India. To Sunday. Labor Minister Fani Palli-Petralia to meet with representatives of the General Confederation of Greek Labor (GSEE) to discuss the social security issue. Development Minister Christos Folias to attend the official ceremony for the cutting of the New Year cake of the Public Power Corporation (PPC) at 12.45 p.m. at the Athens Imperial Hotel. Leader of the Coalition of the Radical Left (SYRIZA) Alekos Alavanos is on a three-day visit to Iraklion, Crete. To tomorrow. The «Folk Art» exhibition opens at the old Athens Airport at Hellenikon and will last through Sunday. An Amnesty International exhibition opens at the Eleftherios Venizelos International Airport in Athens and will run through April 30. Thirty new works by Greek graphic artists, inspired by the ideals of the global movement of human rights, will be on display. For further details, call 210.360.0628 or log on to www.amnesty.org.gr. Macedonia-Thrace Minister Margaritis Tzimas and Deputy Development Minister Stavros Kalafatis to attend the official opening of the Plaisio computer store branch in Thessaloniki. The SD-MED Network, in collaboration with the French Embassy, hosts an international conference and exhibition titled «The Mediterranean City Facing Climate Change: Innovation, Investment, Governance for a Low-Carbon City,» at the Technopolis complex in Gazi. To Saturday. For details, call 210.923.5310 or log on to www.sd-med.com/article-11406351.html. FRIDAY University and technical college students hold demonstrations in Athens and Thessaloniki opposing the recognition of private colleges.