24 hours in pictures: May 17 2007

Goseung, South Korea: A train passes through the demilitarised zone between North and South Korea and North Korea - the first train crossing between the two countries since 1950. Photograph: HONG CHAN-SUN/EPA

Sydney, Australia: The city's harbour bridge is enveloped in thick fog. Photograph: Ian Waldie/Getty

Laguna Woods, USA: Workers prepare the town's giant iron globe for demolition. Photograph: Bruce Chambers/AP

Buenos Aires, Argentina: Two dogs watch commuters making their way through Constitucion railway station. Photograph: Natacha Pisarenko/AP

Burlington, USA: Ben Cohen shows schoolchildren his 'Topsy-Turvy Bus', part of a national campaign urging presidential candidates to increase investment in families and communities by shifting Pentagon spending to social programmes. Photograph: Toby Talbot/AP

Pesnopoi, Bulgaria: A woman picks roses early in the morning. Bulgarian rose oil is traditionally used for the highest-grade perfumes in the world. Photograph: Petar Petrov/AP

Srinagar, Kashmir: Indian police remove weapons from the Nowgam police station as fire rages through the building following a series of accidental blasts. Photograph: IRSHAD KHAN/AFP

Cape Town, South Africa: Supporters of the ruling ANC party demonstrate against the country's DA opposition party. Photograph: GIANLUIGI GUERCIA/AFP

Beijing, China: The new China Central Television headquarter under construction. When complete, the building will consist of two angled towers. Photograph: Greg Baker/AP

Gaza City, Gaza Strip: Palestinian medical workers remove a mortuary stretcher at the morgue where six victims of Hamas militants were brought. Photograph: MOHAMMED SABER/EPA

Berlin, Germany: Chancellor Angela Merkel (l) and the new French president, Nicolas Sarkozy, listen to their countries' national anthems in front of the chancellery. Photograph: JOHANNES EISELE/EPA

Cannes, France: Kerry Washington, Li Gong and Andie MacDowell arrive for the opening ceremony of the 60th Cannes film festival. Photograph: FRED DUFOUR/AFP

Lahore, Pakistan: Activists light oil lamps in front of a banner that reads 'the sacrifice of Karachi's martyred will bring change', a reference to the recent political violence in which at least 41 people were killed. Photograph: RAHAT DAR/EPA

Sao Paulo, Brazil: An explanatory board for traders details the sign language of the city's stock exchange. Photograph: MAURICIO LIMA/AFP

Rotterdam, The Netherlands: New picnic boats with a maximum capacity of nine passengers cruise in the city's harbour. Photograph: OLAF KRAAK/AFP

Melbourne, Australia: A chameleon catches a cricket at feeding time at the Melbourne museum. Photograph: WILLIAM WEST/AFP