References 190% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 1 reference, the source included, supports the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

• [1]90%
  Mi Xun Teahouse — research source

  upperhouse.com· Posted Oct 11, 2026· Starts Jul 18, 2015 ✓· 100% of score

  Upper House's own materials say Mi Xun Teahouse has operated since 2015, and the 18 July 2015 hotel opening release describes the Mi Xun tea house as part of the hotel's spa offer at launch; no separate day was announced, so the hotel opening date is an estimate. It was reopened/celebrated in July 2022 (7th anniversary) in the Zhanghuali building; first opening is preferred. Estimated: the exact day 2015-07-18 comes from a proxy source (registration, announcement or hotel opening) and is not a confirmed opening day.

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