Roger Kwok (郭晉安) takes his family for holidays lately and revealed on Weibo that their first stop was in Denmark. On 1st July 2019, Roger’s son, Brad Kwok (郭令山) and he were studying the “stones” at a river, but Roger wrote the word as snake wrongly.

Roger left a message: “A river and lots of stones.  We can play another hour and do you understand the snake?”