It was lunchtime, and since it was a lovely warm day, Louise decided to take her lunch to the park. It wasn’t far, just next door to her office block - in fact, she could see most of the park from her desk on the fourth floor. The picnic area could be found in the middle of the park, surrounded by a ring of beautifully red-barked Prunus serrula (Tibetan cherry) trees. Most of the picnic benches had already been taken, pri...