One afternoon this week I went on a short walk through two worlds. I began in Gastown. Vancouver had its beginnings here. Tourists roam its brick-paved streets. Locals flock to its pubs and bistros.

Swifties heading to any of the final three Eras Tour shows in Vancouver this weekend be warned: too much bejewelling could spell trouble, trouble, trouble. The caution comes directly from the head of ...