Olympic preparations, World Cancer Day, Tungurahua volcano spews and more.
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A worker climbs down a roof top of the Bolshoy Ice Dome, site of the ice hockey competitions for the 2014 Winter Olympics, on Tuesday in Sochi, Russia.
Petr David Josek/AP
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The Tungurahua volcano spews ashes on Monday, as seen from Cotalo, south of Quito, Ecuador.
Daniel Tapia/AFP/Getty Images
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A woman washes the feet of her husband suffering from cancer as he lies on a pavement outside the Tata Memorial Center on World Cancer Day Tuesday in Mumbai, India, Tuesday, Feb. 4, 2014. The World Health Organization's cancer agency warns there will be 22 million new cases of cancer every year within the next two decades.
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Swedish Foreign Minister Carl Bildt, left, takes a picture with his cell phone as his Iranian counterpart Mohammad Javad Zarif watches during their news briefing Tuesday in Tehran, Iran.
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A woman sells candies in a street Tuesday while heading to Kiev's Independence Square, the epicenter of Ukraine's current unrest.
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Hindu devotees offer prayers at Sangam, the confluence of the Ganges, Yamuna and Saraswati rivers, at the annual traditional festival of Magh Mela on Tuesday in Allahabad, India.
Rajesh Kumar Singh/AP
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Members of the media march and wear T-shirts showing detained Al-Jazeera journalist Peter Greste, one of 20 journalists set to face trial on charges of joining or aiding a terrorist group, outside the Egyptian embassy Tuesday in Nairobi, Kenya.
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Men duck for cover as heavy gunfire erupts Monday in the Miskin district of Bangui, Central African Republic.
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A hot air balloon flies over the temples of Bagan, Myanmar, on Tuesday.
Ye Aung Thu/AFP/Getty Images
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Krystian Herba, a Polish extreme cyclist, breaks his own Guinness World Record by jumping up 2,919 steps on his bicycle in 1 hour 45 minutes without supporting himself at Eureka Tower on Tuesday, Feb. 4, 2014, in Melbourne, Australia.