Today in Pictures: Costa Concordia, Australian Open, and Tahrir Square A rescuer works on the cruise liner Costa Concordia liying aground in front of the Isola del Giglio, Jan. 27, 2012 after hitting underwater rocks. Official sources said that there are still 18 people officially missing after the Costa Concordia cruise liner crashed off the coast of Tuscany two weeks ago, including a five-year-old girl. Filippo Monteforte/AFP/Getty Images An Egyptian women covers her head in a national flag as she demonstrates in Cairo's Tahrir Square, Jan. 27, 2012, ahead of a mass rally to demand democratic change, a year after the country's revolt that overthrew the regime. Holocaust survivor Eva Szirtes pays respect to relatives at a memorial wall bearing the engraved names of tens of thousands of victims of the Nazi Holocaust at the Holocaust Memorial Center, during Holocaust remembrance day in Budapest, Hungary, Jan. 27, 2012. The remembrance day marks the day of the liberation of the Auschwitz-Birkenau death camps 67 years ago. Bela Szandelszky/AP Photo Guatemala's former strongman Efrain Rios Montt, who faces genocide charges, stands amid policemen during a break at a courtroom in Guatemala City, Jan. 26, 2012. On January 14, 2012, Ri­os Montt lost the immunity against prosecution that he had enjoyed as a member of the national legislature. Ri­os Montt's prosecution has long been sought by human rights organizations in Guatemala and elsewhere. Rodrigo Abd/AP Photo A banner with portraits of people disappeared during Guatemala's former strongman Efrain Rios Montt, who faces genocide charges, attends an audience in Guatemala City, Jan. 26, 2012. (Rodrigo Abd/AP Photo) Riot police fire toward Bahraini anti-government demonstrators, unseen, during clashes in Sitra, Bahrain, Jan. 26, 2012. Bahrain authorities say a detainee has died after being taken into custody during clashes between security forces and Shiite-led protesters. Hasan Jamali/AP Photo Novak Djokovic of Serbia celebrates after defeating Andy Murray of Britain during their semifinal at the Australian Open tennis championship, in Melbourne, Australia, Jan. 27, 2012. An Indian girl wears a fancy dress as she stands near the India Gate monument following the Republic Day parade in New Delhi, India, Jan. 26, 2012. India marked Republic Day with military parades and festivities across the country. A penguin can be seen through glass while swimming in a pool at the Frankfurt zoo in Germany, Jan. 27, 2012. Michael Probst/AP Photo Bulgarians ride a horse-drawn cart near Sofia, Jan. 27, 2012, after a heavy snow fall. Bulgaria declared its highest "code red" alert across the country after heavy snowfall left hundreds of homes without power and disrupted air and road freight traffic. Nikolay Doychinov/AFP/Getty Images US President Barack Obama walks to his car upon arriving in Romules, Michigan, on January 26, 2012.