The week in photos for Jan. 18 to Jan. 23
This photo made with a long exposure shows the glow from a Noctiluca scintillans algal bloom along the seashore in Hong Kong. The luminescence, also called Sea Sparkle, is triggered by farm pollution.Kin Cheung/The Associated Press
Eugenie Bouchard of Canada serves in her third round match against Caroline Garcia of France during day five of the 2015 Australian Open.Cameron Spencer/Getty Images
Indian soldiers march down Rajpath, a ceremonial boulevard, during full dress rehearsal ahead of the Republic Day parade in New Delhi, India where U.S President Barack Obama will be the chief guest.Saurabh Das/The Associated Press
Mirrors displayed at a market show the reflections of young Yemenis in Sanaa's old city 5. Shiite militiamen maintained a tight grip on Yemen's capital despite a deal to end what authorities called a coup attempt.Mohammed Huwais/AFP / Getty Images
A member of the Libyan pro-government forces holds his weapon as he looks through a hole in a wall, during clashes with the Shura Council of Libyan Revolutionaries, in Benghazi.Esam Omran Al-Fetori/Reuters
A woman cries at the Alley of Martyrs, a cemetery and memorial dedicated to those killed by Soviet troops during the 1990 Black January crackdown, in Baku.Tofik Babayev/AFP / Getty Images
Mark Squires exercises his dogs as sledders and their huskies practice at a forest course ahead of the Aviemore Sled Dog Rally in Feshiebridge, Scotland.Jeff J Mitchell/Getty Images
Kenyan school pupils and activists challenge riot police during a protest against the removal of their school's playground, at the Langata Road Primary School, in Nairobi, Kenya.Brian Inganga/The Associated Press
Miners of the Trepca mining complex, sit during a strike, inside the Stari Trg mine, in Kosovo. Over 400 employees have gone on strike inside the Trepca mine.Visar Kryeziu/The Associated Press
A waterspout forms on the horizon as a helicopter flies above the Mediterranean sea, off the coastal city of Nice.Valery Hache/AFP / Getty Images