We’re well-traveled adults and we understand that there are red-light districts in many cities, even if certain kinds of businesses are somewhat hidden from sight. For those who think that the historic Singapore of “Sin-galore” fame ... has been scrubbed completely clean, they need only walk by the bars on the different floors of infamous Orchard Towers to know that some things never change on the island. The Geylang area further east is also known as a red-light district on the island.