Where have I written about?

CHINA: Shanxi, Zhejiang

SWITZERLAND: Luzern
UNITED KINGDOM: Berkshire, Cambridgeshire, Cheshire, Cornwall, Devon, East Sussex, East Yorkshire, (City of) Edinburgh, Glasgow City, Greater London, Greater Manchester, Hampshire, Highland, Kent, Merseyside, North Lincolnshire, North Yorkshire, Nottinghamshire, South Yorkshire, Suffolk, Surrey, Warwickshire, West Midlands, West Yorkshire, Wiltshire

UNITED STATES: California

AUSTRALIA: New South Wales, Victoria