A jockey controls determine the direction of the cow during the ‘ ‘ Pacu Jawi , ‘ ‘ cow race on March 26, 2016 Batusanggkar, West Sumatra , Indonesia . The annual race – called Pacu Jawi – took place in the field at the end of the harvest season to celebrate . Joki take cows and sliding in the mud barefoot balancing on a wooden board . The race used to demonstrate the power of their cattle , which are then sold at auction. (Afrianto Silalahi/ Riau Images)