Why Sydney is seeing red over the Harbour Bridge

Should lockdown restrictions permit and you find yourself near Sydney Harbour Bridge, you may wonder why there is an unfamiliar red flag.

source https://www.smh.com.au/national/why-sydney-is-seeing-red-over-the-harbour-bridge-20210902-p58o5z.html?ref=rss&utm_medium=rss&utm_source=rss_feed