Brave Girls Mini 6th album 'THANK YOU' showcase was held at the Roon Art Hall in Mokdong, Yangcheon-gu, Seoul on the afternoon of the 23rd. Brave Girls Yu-Jeong poses
About Yu-Jeong
An oil well is a boring in the Earth that is designed to bring petroleum oil hydrocarbons to the surface. Usually some natural gas is released as associated petroleum gas along with the oil.
 Wikipedia