After reading the news, Xiao Yunyun cooked the vegetable dumplings that were rolling in the pot. She picked them up, put them on the plate, and then warmed a glass of milk. The breakfast was just so simple.

At ten past eight, Xiao Yunyun carried her bag downstairs and went to the subway station.

Her apartment was not far away from the subway station; hence it only took her less than five minutes to walk there. She wore her headphones. On the way, she had already ...