1. KAI [London]
2. TAO [Barcelona]
3. CHANYEOL [Arizona]
4. XIUMIN [Berlin]
5. SEHUN [Edinburgh]
6. SUHO [Marseille]
7. CHEN [Almaty]
8. BAEKHYUN [Lyon]
9. LAY [Yunnan]
10. D.O [Colorado]
As you see the first letter of every city is highlighted. Let's check out why.
The highlighted letters are: L, B, A, B, E, M, A, L, Y, C.
Now if we change the order of the letters [C, A, L, L, M, E, B, A, B, Y] we will get CALL ME BABY, the title of the new music video by Exo. How about that? ;-)
Credits to the fan that originally discovered the secret meaning of the city names.