[Picture] Where in the world is Super Junior's Siwon?

Super Junior's Siwon shared a new selca on his Twitter!

Do you have any idea where is he right now??

Well,it seems that he is having some fun time in London,any friends from London here??

Walk along the street and you will be surprised to see Siwon besides you,anyway,do you like his hairstyle in this photo? Sharing is sexy