On the afternoon of June 3rd, the Minister of Environment, Jung Ae Han, paid a visit to the Ulsan Bangudae Petroglyphs and the Sayun Dam, which are being promoted to be enlisted on the World Heritage List, to check the status of the rock engraving flooding and preservation plans, and discussed on the topics such as the  installation of the water gate at the Sayun Dam with the Ulsan Metropolitan City Mayor, Chul Ho Song.