A century of storm signalling
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The system evolved over the years to include the eight signals used today.
News.gov.hk interviewed the Observatory's officers to see how the system has changed.
The story appears on news.gov.hk today (June 4) in text and video format.
Ends/Sunday, June 4, 2017
Issued at HKT 9:43
Issued at HKT 9:43
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