Poulnabrone Dolmen (Poll na mBron) (Hole of Sorrows), a Neolithic portal tomb probably dating from between 4200 to 2900 BC, Burren, County Clare, Munster, Republic of Ireland, Europe

Poll An Mhadaidh, Arranmore Island, County Donegal, Ulster, Republic of Ireland, Europe

Anuradha Koirala, proclaimed winner of CNN Hero of the Year 2010, warmly greeted upon her return. Tribhuwan International Airport, Kathmandu, Nepal. A woman whose group has rescued more than 12,000 women and girls from sex slavery has been named the 2010 CNN Hero of the Year. Anuradha Koirala was chosen by the public in an online poll that ran for eight weeks on CNN.com. ?Human trafficking is a crime, a heinous crime, a shame to humanity,? Koirala said after being introduced as one of the top 10 CNN Heroes of 2010. ?I ask everyone to join me to create a society free of trafficking. We need to do this for all our daughters

Anuradha Koirala holds up her CNN Hero of the Year 2010 award as she is warmly greeted upon her return. Tribhuwan International Airport, Kathmandu, Nepal. A woman whose group has rescued more than 12,000 women and girls from sex slavery has been named the 2010 CNN Hero of the Year. Anuradha Koirala was chosen by the public in an online poll that ran for eight weeks on CNN.com. ?Human trafficking is a crime, a heinous crime, a shame to humanity,? Koirala said after being introduced as one of the top 10 CNN Heroes of 2010. ?I ask everyone to join me to create a society free of trafficking. We need to do this for all our daughters

Women in traditional dress of the Aymara Indians at the re-election ceremony for President Evo Morales Ayma in Tiwanaku, La Paz, Bolivia, South America

Woman in traditional dress of the Aymara at the re-election ceremony for President Evo Morales Ayma in Tiwanaku, La Paz, Bolivia, South America

Monument of President Ho Chi Minh in front of the city's People's Committee Building Ho Chi Minh City Saigon Vietnam

People stand in long lines waiting to vote at Salem Memorial Lutheran Church on Election Day in the 2008 Presidential election, Detroit, Michigan, USA

Members of the Dominican Sisters of Mary join a campaign rally for John McCain and Sarah Palin, Sterling Heights, Michigan, USA

Crowd with Wiphala, rainbow-colored flag of the highland Indians, at the re-election ceremony for President Evo Morales Ayma in Tiwanaku, La Paz, Bolivia, South America

Members of the Dominican Sisters of Mary join a campaign rally for John McCain and Sarah Palin, Sterling Heights, Michigan, USA

Symbols of the Indian Congress Party and the Communist party painted on a wall, Shibpur district, Howrah, Kolkata, West Bengal, India, Asia

Reichstag with place of the republic, Berlin, Germany

Election posters of political parties from 1938, Social Democrats, German Resistance Memorial, Bendlerblock, Berlin-Mitte, Germany, Europe

Reichstag, Berlin, Germany

Canvassing of the Communist Party on a house wall, Shibpur district, Howrah, Kolkata, West Bengal, India, Asia

Flags of the democratic party, Turkey

Detail of the Reichstag, Berlin, Germany

The transmitter "Cologne-Gremberg" in Cologne-Poll, Poll-Vingster road, telecommunications tower "Pollonius", Cologne, North Rhine-Westphalia, Germany, Europe

The transmitter "Cologne-Gremberg" in Cologne-Poll, Poll-Vingster road, telecommunications tower "Pollonius", Cologne, North Rhine-Westphalia, Germany, Europe

The transmitter "Cologne-Gremberg" in Cologne-Poll, Poll-Vingster road, telecommunications tower "Pollonius", Cologne, North Rhine-Westphalia, Germany, Europe

A bored poll worker on election day in Karachi, Pakistan on February 18, 2008.