Capture a mesmerizing aerial shot of a futuristic underwater city, showcasing advanced transport systems like underwater trains and hovercrafts in action, surrounded by vibrant marine life and coral reefs in all their underwater wonders.

Create a captivating bird's eye view of a futuristic city submerged under the sea. Display various innovative transportation mechanisms, such as aquatic rail systems and buoyant air vehicles, navigating through the city. This submarine metropolis is nestled among lively sea creatures and multi-colored coral formations, all contributing to the undersea marvels.