The underwater city of Atlantis gleams with vibrant urban design. Buildings made of colorful coral, seaweed streets, and schools of fish weaving through the architecture. The city’s residents, mermaids and mermen, swim gracefully through the water, enjoying their unique home. Lights glitter like diamonds in the deep sea, casting an enchanting glow over the city. The underwater city is a sight to behold, a modern marvel beneath the waves. #UnderwaterCity #UrbanDesign #Atlantis #Mermaids #Mermen