Mountain bikers, Mata Rubio (L), 21, and her boyfriend Antonio Garcia, 21, push their bicycles as they participate in the cycling category of the XXI 101km international competition, where participants run a track through the "Serrania de Ronda" (Ronda Mountain Range) in less than 24 hours, in Ronda, southern Spain, May 12, 2018. Picture taken May 12, 2018. REUTERS/Jon Nazca