People pass by a defaced mural depicting former war crimes fugitive Ratko Mladic in Belgrade, Serbia, Oct. 10, 2011. (Marko Drobnjakovic/AP Photo)

Police seize an “Occupy Boston” protester during a standoff at the Charlestown Bridge in Boston, Oct. 10, 2011. (Josh Reynolds/AP Photo)

People walk past a pile of garbage in Thessaloniki, Greece, Oct. 11, 2011. A strike by municipal workers has left piles of garbage on Athens’ streets, while motorists formed long lines at gas stations after workers at a main refinery went on strike. (Nikolas Giakoumidis/AP Photo)

Brett Davies and Tom Nevins load a boar onto their truck during the 2011 Cooktown Hog Hunt at Silver Plains Station outside of Coen, Australia, Oct. 7, 2011. Feral pigs are considered environmental and agricultural pests, with a reported population of up to 23.5 million. (Mark Kolbe/Getty Images)

Members of the public help to collect oil along the beach at the Mount Maunganui shore in Tauranga, New Zealand, Oct. 11, 2011. Upwards of 390 tons of oil leaked from the cargo ship Rena, which ran aground Oct. 5, making it the country’s worst-ever maritime environmental disaster. (Bradley Ambrose/Getty Images)

An ultra Orthodox Jewish boy straps palm fronds to be used to build a Sukka, in Bnei Brak , near Tel Aviv, Israel, Oct. 11, 2011. The Sukkot holiday commemorates the Israelites’ 40 years of wandering in the desert. (Ariel Schalit/AP Photo)