Ivan Humphrey
Hello, Ivan Humphrey! Welcome to Wikivoyage.
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Terima kasih banyak for your edits to articles on places in Indonesia! I did revert one of your edits: Your banner substitution for Surabaya. It's normal practice on this site to post about proposed pagebanner changes on the talk page of the affected article (in this case, Talk:Surabaya), and then to change the banner only in case of a consensus in favor after a few days. In this case, on the face of it, I'd oppose a substitution because the current banner is colorful and the proposed replacement is gray and fuzzy, but by all means make your arguments on that talk page.
Happy editing!
All the best,