A 15-year-old girl denied a horse from her parents has turned to a cow to fulfil her riding dreams. Teenager Regina Mayer, from southern Germany, is able to ride her cow, Luna. She has even trained her bovine pet to soar over a beer-crate hurdle like a regular show jumper. Why, you may well ask, when most cow-owners are surely content to let the creatures chew and lactate and sit down to indicate the imminent arrival of rain? Well, Regina's parents wouldn't let her have a horse.

Spectators pose for a photo upon entry for Derby Day at Flemington Racecourse on October 30, 2021 in Melbourne, Australia. Victoria's COVID-19 restrictions have eased to allow spectators to return to Flemington racecourse for the first time since 2019. (Photo by Asanka Ratnayake/Getty Images)

Sukhoi Su-30SM jet fighters of the Russkiye Vityazi (Russian Knights) aerobatic team perform during a demonstration flight in Krasnoyarsk, Russia October 6, 2018. (Photo by Ilya Naymushin/Reuters)

Spectators watch Austria's Stefan Kraft in action during the Viessmann FIS Ski Jumping World Cup Willingen on January 31, 2021 in Willingen, Germany. (Photo by Wolfgang Rattay/Reuters)

A mouse rides on the back of a frog in floodwaters in the northern Indian city Lucknow June 30, 2006. (Photo by Pawan Kumar/Reuters)

The Oshkosh M-ATV – MRAP (Mine Resistant Ambush Protected) vehicle developed by the Oshkosh Corporation of Oshkosh, Wisconsin. It is designed to provide the same levels of protection as the larger and heavier previous MRAPs but with improved mobility and it is intended to replace M1114 HMMWVs. (wikipedia) (Photo by Alex Wong/Getty Images)

In this undated photo provided by LittleFriendsPhoto.com via Six Flags Discovery Kingdom, Kai, a 17-year-old male California sea lion at Six Flags Discovery Kingdom in Valejo, Calif. peers into the lens of photographer Seth Casteel, known for his “Underwater Dogs” photo series. ... (Photo by Seth Casteel/AP Photo/LittleFriendsPhoto.com via Six Flags Discovery Kingdom)

Italian Moto2 rider Lorenzo Dalla Porta, Italtrans Racing Team, crashes during the race of the Motorcycling Grand Prix of Andalusia at the Jerez-Angel Nieto circuit in Jerez de la Frontera, Spain, 26 July 2020. (Photo by Roman Rios/EPA/EFE)