underwater view of dense green seaweed swaying with ocean currents. sunlight rays penetrate the water, adding depth to the natural

marine life plants seabed underwater biodiversity green aquatic nature seagrass seaweed habitat sunlight algae organic growth mystery submerged reflection ecosystem clear serene ocean environment flora waves wild coastal bloom foliage exploration lush shallow peaceful seascape vibrant fresh landscape sand tranquility calm natural beauty sea pond spring stone summer lake view dense swaying currents rays penetrate water adding depth scene