GOVERNMENT CRISIS: Prime Minister Constantine Karamanlis briefed King Pavlos yesterday on the political developments arising from the resignations of two ministers, Minister for Transport and Public Works Georgios Rallis and Trade and Industry Minister Panayiotis Papaligouras, the former due to a proposed change to the electoral law and the latter over general differences with the government. HUNZA TRIBE: London, 26 – A British couple, David and E.O. Lorimer, recently published an interesting account of a scientific mission during which they met a largely unknown Indian tribe, the Hunza, who claim to be descended from ancient Greeks. They live in an isolated part of the country at an altitude of 1,600-2,300 meters, spread over approximately 200 villages. ATHENS METRO: A French expert on underground railways has arrived in Athens for talks with the authorities on the subject of a metro system in the Greek capital. AMERICAN JAZZ: A photo exhibition on American jazz at the American Hall, 9 Venizelos Street, is to open tomorrow in conjunction with a series of lectures and performances of American jazz by Tassos Valavanis, a composer and an expert on the genre.