Actress Choi Ji Woo who went to Swaziland recently in order to help the African children, has finished all her activities there and returned to Korea. Starting last February 9th,�Choi Ji Woo visited a region of Swaziland under World Vision's region development to personally implement a hand pump that supplies fresh water. Using animation, this actress also became a teacher and helped teach children about sanitation and hygiene. World Vision, along with drink company Empolham are sponsoring this fresh water project and total culture marketing company World Culture will help produce MBC's prime show, "Choi Ji Woo Stands on the Dark Land," which will air next month. [gallery]