On podbor-minuta.ru we have listing pages grouped by metro station and by district. The idea is simple: every station and every district gets its own page with the new-build apartments near it. These pages are built ahead of time from the database, each with its own URL, title and a real list of apartments. The problem was the data we built those groups from. The metro and district values come from a scraper, and it copies them from other sites as they are. In the metro field, instead of a cl...