What is A Xin's hobby on May Day?

Playing music, I think he regards playing music as one of his hobbies.

Writing, I guess he usually has the habit of writing down his feelings.

Photography, I have seen many of his excellent photographs.

When traveling, I know he has been to many places, and he also said this sentence:

"I often fantasize about meeting you on the streets of a foreign land one day. So I fell in love with travel. "

Of course, there are sleepers we all know, sergeants and Spongebob. ......

I guess there are many more, and traces can also be found in his two books. I have admired A Xin for a long time.