Junior doctors picket, 24-hour strike. 初級醫生糾察, 24小時的罷工

Junior doctors picket outside St.Thomas' hospital in London, Britain, April 6, 2016. Junior doctors are holding a 24-hour strike calling for more pay and better working conditions. The contract dispute with the government continues to drag on. (EPA/ANDY RAIN)
Photos of the day - April 6, 2016
https://www.yahoo.com/news/photos/photos-of-the-day-april-6-2016-slideshow/photos-of-the-day-april-6-2016-photo-1459955784485.html
picket
網路上的定義
n.1.(罷工時的)糾察隊,糾察隊員  2.警戒對,警戒哨
http://en.eol.cn/en_book_7619/20091111/t20091111_420179.shtml