Visitors wait to enter a museum in Buenos Aires, capital of Argentina, on the night of Nov. 15, 2008. More than 120 museums or cultural exhibitions were opened to the public for free as the annual "Night of Museums" was kicked off in Buenos Aires on Saturday. The cultural activity will finish at 2:00 AM on Nov. 16. (Xinhua/Martin Zabala) Photo Gallery>>>

Visitors wait to enter a museum in Buenos Aires, capital of Argentina, on the night of Nov. 15, 2008. More than 120 museums or cultural exhibitions were opened to the public for free as the annual "Night of Museums" was kicked off in Buenos Aires on Saturday. The cultural activity will finish at 2:00 AM on Nov. 16. (Xinhua/Martin Zabala) Photo Gallery>>>

Visitors wait to enter a museum in Buenos Aires, capital of Argentina, on the night of Nov. 15, 2008. More than 120 museums or cultural exhibitions were opened to the public for free as the annual "Night of Museums" was kicked off in Buenos Aires on Saturday. The cultural activity will finish at 2:00 AM on Nov. 16. (Xinhua/Martin Zabala) Photo Gallery>>>

Visitors look at collections in a museum in Buenos Aires, capital of Argentina, on the night of Nov. 15, 2008. More than 120 museums or cultural exhibitions were opened to the public for free as the annual "Night of Museums" was kicked off in Buenos Aires on Saturday. The cultural activity will finish at 2:00 AM on Nov. 16. (Xinhua/Martin Zabala) Photo Gallery>>>

A man visits a museum in Buenos Aires, capital of Argentina, on the night of Nov. 15, 2008. More than 120 museums or cultural exhibitions were opened to the public for free as the annual "Night of Museums" was kicked off in Buenos Aires on Saturday. The cultural activity will finish at 2:00 AM on Nov. 16. (Xinhua/Martin Zabala) Photo Gallery>>>