woman and man symbols with Chinese writing on the blackboard

green, background, on, design, glass, sign, female, people, wooden, board, pattern, male, man, border, frame, symbol, icon, mark, couple, woman, with, writing, bathroom, placard, wood, education, plank, chinese, china, publicity, billboard, toilet, restroom, symbols, washroom, mate, blackboard, gender, chalk, notice, insignia, and, humanity, lavatory, notation, chalkboard, notification, mankind, consort, loo,