Valery Kashkin (front) and Valentina Rumyantseva pose for photographers during a photo call for the Moscow State Circus's upcoming show in west London, on Wednesday. The show runs until Nov. 31. Stefan Wermuth/Reuters
Dancers performs over vases in a piece called '4 Por 4,' created by Brazilian choreographer Deborah Colker in Rio de Janeiro, Brazil. Flavio Colker/Companhia de Danca Deborah Colker/AP
Firemen extinguish a fire at the scene of a cargo aircraft crash in Sharjah, United Arab Emirates, on Wednesday. The Sudanese plane crashed shortly after take off. Ahmed Jadallah/Reuters
Policemen take part in a parade to pay homage to their fallen colleagues on Police Commemoration Day in Mumbai, India, on Wednesday. Last year, 833 Indian policemen were killed in the line of duty last year, including those who died in last year's terrorist attack in Mumbai. Arko Datta/Reuters
The window of a Mazda Motor Corp Kiyora urban compact concept car is displayed at the 41st Tokyo Motor Show in Chiba, Japan, on Wednesday. Toru Hanai/Reuters
US First Lady Michelle Obama hula hoops with kids at the White House. A White House Healthy Kids Fair was hosted on the South Lawn on Wednesday. Larry Downing/Reuters
Mick Jones (l.) and Kelly Hansen of the rock group Foreigner pose on the trading floor before ringing the opening bell for the New York Stock Exchange on Wednesday to celebrate the release of their new CD-DVD, 'Can't Slow Down.' Richard Drew/AP
A hotel worker looks out at the ocean as Tropical Storm Rick hits Mazatlan, Mexico, on Wednesday. Guillermo Arias/AP
A view of the working class El Madania neighborhood outside of Algiers, Algeria, is seen on Oct. 20. Rioters pelted Algerian police forces with fire bombs and stones on Tuesday during a second day of clashes. The violence broke out when police, acting on a judge's order, arrived to raze shacks, some of which were built illegally on a football field in El Madania. AP
Activists from the Russian social movement 'Liberty without borders,' block a street in the Moscow's city center while recreating a symbolic Berlin Wall, to mark the upcoming 20th anniversary of the Wall's fall. Sergei Karpukhin/Reuters
Pakistani soldiers fire an anti-tank gun during a battle between Pakistani security forces and the Taliban in the South Waziristan region in this image taken from a video released by the Pakistani military. Pakistani helicopters attacked Taliban bases near the Afghan border on Wednesday as the army urged NATO forces to seal the frontier to prevent cross-border movement of the militants. Pakistan Government/Reuters TV/Reuters
A BMX biker performs artistic jumps at the former Ewald coal mine in Herten, Germany, on Wednesday. Martin Meissner/AP
Palestinian women, supporters of the leftist Popular Front of the Liberation of Palestine (PFLP) hold posters showing their party's leader, Ahmed Saadat, at a rally in the West Bank city of Ramallah. Saadat, who is currently jailed in Israel, has been held since 2006 on security charges. Supporters called for his release on Wednesday. Muhammed Muheisen/AP
As countries such as Turkey, China, Ethiopia, and Bahrain block online content, people are discovering ways to get around Internet censors. Their methods depend on the kind of censorship they face and what they are doing online.
ByJoshua Eaton, Contributor
When Turkey temporarily blocked more than 100 websites — including Facebook, Twitter, and YouTube — earlier this month in an effort to censor a photo that authorities there called "terrorist propaganda," the blackout generated an uproar across the Web and #twitterisblockedinturkey became a top trending hashtag on Twitter.