Thai King Maha Vajiralongkorn presides over the annual royal ploughing ceremony outside Bangkok's royal palace on May 14, 2018. - Thai palace astrologers predicted a bountiful harvest and a year of good trade on May 14 after sacred oxen munched on grass and drank water and liquor in an ancient royal ploughing ceremony. (Photo by Panupong CHANGCHAI / THAI NEWS PIX / AFP)        (Photo credit should read PANUPONG CHANGCHAI/AFP/Getty Images)