Environmental Issues
圖像來源，Gamma-Rapho via Getty Images
，更多细节参见体育直播
不到10点，殡仪馆告别厅外已经站满了前来悼念的观众和粉丝，有人胸前佩戴小白花，有人手捧鲜花，一位浙江的网友还托人送来了悼念花圈。
What I found is that written evidence for knocking on wood (and for the history of gesture as a whole) is remarkably sparse. In the Penguin Guide to Superstitions, folklorist Steve Roud offers a skeptical take on the provenance of knocking on wood due to the near total absence of written records about it: