A demonstrator in a Darth Vader mask shouts slogans during a protest against Bolivian President Evo Morales.
A spout of oil, gas and soil gushes above a village in India forcing residents to leave their homes after an oil well was being drilled.
An Iraqi refugee rests amid bags of luggage in Baghdad, after returning home from Syria.
A trainee dentist treats a robot in Tokyo, Japan. The robot detects any actions that would cause pain to human patients.
Masked supporters of South Korea's opposition presidential candidate Lee Myung-bak attend a rally in Chunan, a day after the official campaigning for next month's polls kicked off.
Villagers search through the wreckage of their houses hit by giant waves on the island of Mindanao, the Philippines.
A fog bank rolls over Kosovo's capital Pristina.
The mathematical constant Pi spirals outwards at the Mathematikum museum in Giessen, Germany.