When I turned around, the grass behind me was all in bloom. A large piece. As if someone told a joke and made a puddle of grass laugh. I was lying on the hillside thinking about something. Is it something I'm thinking - a strange thought in a person's head that makes Cao laugh, laughing backwards and forwards in the breeze. Some laughed, some half-lipped their lips and couldn't help laughing. The two close to me, one facing me, opened its thin pink petals, and seemed to be laug...