Chang Sung With His Clone?

2PM member, Chan Sung tweeted a picture of himself with a man wearing a mask of his face. On his Twitter, he commented that he has arrived at the airport after a long flight and found a person who looks like him. The two men gave a same pose and stood right beside one another. Under the picture, Tac-Yeon has commented that the clone seems to be very good-looking, implying that he is the man in the picture.