Royal oxen are fed with fodder during an annual royal ploughing ceremony in Takeo province, Cambodia on May 22, 2019. Cambodia celebrated a traditional royal ploughing ceremony here on Wednesday to mark the annual beginning of farming season. (Xinhua/Sovannara)

Cambodian King Norodom Sihamoni (C, front) gestures during an annual royal ploughing ceremony in Takeo province, Cambodia on May 22, 2019. Cambodia celebrated a traditional royal ploughing ceremony here on Wednesday to mark the annual beginning of farming season. (Xinhua/Sovannara)

People celebrate an annual royal ploughing ceremony in Takeo province, Cambodia on May 22, 2019. Cambodia celebrated a traditional royal ploughing ceremony here on Wednesday to mark the annual beginning of farming season. (Xinhua/Sovannara)

Cambodian King Norodom Sihamoni gestures during an annual royal ploughing ceremony in Takeo province, Cambodia on May 22, 2019. Cambodia celebrated a traditional royal ploughing ceremony here on Wednesday to mark the annual beginning of farming season. (Xinhua/Sovannara)

Royal oxen are fed with fodder during an annual royal ploughing ceremony in Takeo province, Cambodia on May 22, 2019. Cambodia celebrated a traditional royal ploughing ceremony here on Wednesday to mark the annual beginning of farming season. (Xinhua/Sovannara)