There are 362 historical Turkish baths in Istanbul, but only around 120 are operational – and less than half are under professional management. ‘Running a 500-year-old hammam is more than a hospitality business – it's taking responsibility for history and assuring its longevity,’ says Mehmet Katipzadeler, who renovated and reopened Istanbul's @ayasofyahurremsultanhamami in 2011. ‘After all, there are few things in the world that are described with the word “Turkish” in front of it: coffee, baklava and baths.’ Hit the link in bio to read how Mehmet breathed new life into the business, which now serves up to 3,000 guests every month.