This photo, taken from a Panther helicopter, shows an aerial view of Bastille Day celebrations in Paris on Wednesday. Newscom/File
A worker stands between rows of seating at Michigan Stadium in Ann Arbor on Wednesday. The University of Michigan has figured out just how many football fans it can seat in the new Big House. The school announced Wednesday the capacity of Michigan Stadium will be 109,901 this season, making it the country's largest football stadium. Paul Sancya/AP
Derek Jeter avoids a pitch by Josh Johnson in the bottom of the 3rd inning of the 2010 MLB All-Star game at Anaheim Stadium (Calif.) on Tuesday night. Rose Palmisano/The Orange County Register/Newscom/File
Food vendors sell hot dogs and hamburgers to customers in La Paz, Bolivia, on Tuesday. Local fast food chains and street vendors are bustling with customers, catering to the low-income majority of South America's poorest country, with prices barely exceeding US $1 for a complete meal. Dado Galdieri/AP
French peacekeepers of the United Nations Interim Force in Lebanon (UNIFIL) salute in honor of Bastille Day during a military parade in the French UNIFIL base in Tiri village, southern Lebanon, on Wednesday. Ali Hashisho/Reuters
A youth jumps into Lake Zurich on July 14, a hot summer's day. Christian Hartmann/Reuters
Police officers guard the streets during a protest by construction workers in Lima, Peru, on Wednesday. The workers are demanding salary increases and improved safety conditions on construction sites. Ernesto Benavides/AFP/Newscom
A chess tournament at a home for the elderly is seen in San Salvador, El Salvador, on Wednesday. Luis Romero/AP
An undated image made available by the National Gallery in London of Leonardo da Vinci's Virgin on the Rocks before (l.) and after restoration. The gallery says a restoration project has revealed new details and suggest that the painter may have painted all the picture himself, instead of being helped by his assistants as previously thought. The National Gallery says the 18-month project removed some yellowing varnish, enabling experts to take a closer look at the picture's brush strokes and styles. The National Gallery/AP
Portugal's Sergio Paulinho is seen at the end of the Tour de France's Stage 10, a 179 km race from Chambery to Gap. Newscom/File
Air Force planes fly over Paris during the French military parade commemorating Bastille Day. XINHUA-NOTIMEX/FOTO/Zhang Yuwei/COR/POL/Newscom
A worker looking for litter is silhouetted by the sun as he walks through the Springs Fountain on Wednesday, in Portland, Ore. Daytime highs in the city were expected to be near 72 degrees F. Rick Bowmer/AP
A person waves a United States flag during a ceremony to naturalize nearly 200 people at the John F. Kennedy Library in Boston, Mass., on Wednesday. Brian Snyder/Reuters
The fundamentalist Madkhalis, who supported Qaddafi until the end, have fought hard to prevent ISIS from establishing a base in Libya. But experts warn of their influence on society and aim of establishing a theocracy.
ByTaylor Luck, correspondent
While the Islamic State has grabbed headlines as it tries to regain its footing in war-torn Libya, a less-known, fundamentalist Islamist movement is quietly extending its influence across the country.