“Oktoberfest” beer festival in Munich, 慕尼黑啤酒節

The Day in Photos – October 9, 2018
http://avax.news/fact/The_Day_in_Photos_October_9_2018.html

the world's quietest room, 世界上最安靜的房間

The world's quietest room - CNN Style  https://edition.cnn.com/style/article/anechoic-chamber-worlds-quietest-room/index.html