Five years ago when I started having money for traveling, I really cared about how many places to go in a short time, to maximize my holiday. I would feel wasting of time and money if I didn’t visit all the must-visited places in one city/country. I was also careful to not visiting the same places I had been to. One day in 2009 when I was traveling oversea in a big group with my friends, we visited a glamorous giant casino and suddenly separated into 2 groups. One group, including me, walked around the place, played some games, took photos and so on. The other group, to my disappointment,…