Key West (United States) (AFP) – The island-city of Key West off the southern tip of Florida invites visitors to stroll slowly, enjoy turquoise waters and take in the sunset. But according to some residents, that idyllic peace is endangered — by lumbering, tourist-filled cruise ships. The huge vessels bring thousands of visitors every day to the small city of 26,000 inhabitants, whose quaint, often pastel-colored Victorian homes line leafy, walkable streets. Following a drawn-out local battle, the cruise tourist numbers are now down, but many residents say more still needs to be done. While m…