Sue and Roger Main watch fireworks in Fenton, Mich., on Saturday. John Ehlke/AP
Owner Mark Slevin's dog Ringo leaps off the dock into the pool as he retrieves a bumper during the DockDogs competition in downtown Houston, Sunday. Hundreds of dogs competed in different categories over the holiday weekend. David J. Phillip/AP
Soccer freestyler Iya Traore from Guinea performs with a ball in the gardens of Montmartre's Sacre Coeur Basilica in Paris, Sunday. Benoit Tessier/Reuters
Spain's Rafael Nadal celebrates after defeating Tomas Berdych of the Czech Republic during the men's singles final at the All England Lawn Tennis Championships at Wimbledon, Sunday. Alastair Grant/AP
Dressed to represent Uncle Sam, Steve Myott, of Greenville, North Carolina, shakes hands with visitors from atop his stilts near the US Capitol on the National Mall in Washington before the start the Fourth of July, Independence Day, parade Sunday. Jacquelyn Martin/AP
Fabian Cancellara of Switzerland, wearing the overall leader's yellow jersey (c.) and Lance Armstrong of the US (r.) wait prior to the start of the first stage of the Tour de France cycling race over 223,5 kilometers (139 miles) with start in Rotterdam, Netherlands and finish in Brussels, Belgium, Sunday. Bas Czerwinski/AP
Royal supporters await the arrival of Britain's Queen Elizabeth and her husband Prince Philip at St. James Cathedral in Toronto, Sunday. Fred Thornhill/Reuters
A South African man removes the netting from a goal after a soccer game in Riverlea Extension neighborhood in Johannesburg, South Africa, Sunday. Ghana's cruel exit from the World Cup at the hands of Uruguay has yet again left Africa out of the final stages. Bernat Armangue/AP
Mitzi Webber of the South Florida Trail Riders, carries an American flag as she rides Pokemon in a Fourth of July parade in Key Biscayne, Fla., Sunday. Wilfredo Lee/AP
Syria's healthcare system has been afflicted by four years of war. In Raqqa, a militant-run city, unsafe medical practices and risky behavior by jihadists have heightened the danger of HIV/AIDS spreading widely.
ByDominique Soguel, Correspondent
The Islamic State has lured thousands of foreign fighters and their families to Syria with the promise of building a utopian caliphate. And even Syrians living in IS-run cities like Raqqa say it is providing basic governance, in a country roiled by civil war.