Where was A Witness out of the Blue filmed?

2019 Hong Kong film

A Witness out of the Blue (2019) was filmed at one place in Hong Kong: Hong Kong. The place comes from Wikidata.

See them on the map → Wikipedia Source data

Filming locations

Also per Chinese Wikipedia's 取景 section

Chinese Wikipedia’s 取景 section names 10 more places. Each links to the sentence that says so.

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Also shot in these places

10 of 12

Set in the same places

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More filmed in Hong Kong