People who are used to take the subway may spend 20, 30, 40 minutes inside per day. How many of us spend most of our time looking at the screen of the phone checking Facebook or playing Candy Crush...
People who are used to take the subway may spend 20, 30, 40 minutes inside per day. How many of us spend most of our time looking at the screen of the phone checking Facebook or playing Candy Crush...