Thailand’s Princess Sirivannavari Nariratana waves to crowd as she cycles in the “Bike for Dad” event in Bangkok, Thailand, on Friday. Thai Crown Prince Maha Vajiralongkorn led thousand of cyclists on a 29-km course in Bangkok to celebrate King Bhumibol Adulyadej’s 88th birthday
Cyclists reflect in a puddle and silhouette against the sky as sun sets near Guelpe, northeastern Germany
Mark Kolbe/Getty Images
A rider holds on as a bull tries to throw him during the Bull Ride Spectacular on the first day of the 2014 Deni Ute Muster at the Play on the Plains Festival grounds on Friday in Deniliquin, Australia.
A dog holds on tightly as his owner rides a bicycle in Mumbai, India, on Tuesday