Why young people crowd the lower levels in shopping malls

At the moment, the spotlight is cast on young consumers and their inclination to shop on underground levels, rather than immersing in the glamour and serenity of the upper decks. Why has it turn into a thing that deserves so much attention and discussion over the internet? / Motivational Monday(19:54)! On the show: Laiming, Niu Honglin & Li Yi