A, ACROSS, AQUATIC, AVIAN, BEAUTIFUL, BEAUTY, BIRD, BIRDWATCHING, CALM, CONSERVATION, CYGNET, DANUBE, DELTA, DUCK, ECOSYSTEM, ELEGANT, ENVIRONMENTAL, EUROPEAN, EXOTIC, FAUNA, FEATHERED, FLOATING, FLOCK, FLYING, FRIENDS, GLIDE, GLIDING, GRACE, GRACEFUL, GRACEFULLY, GROUP, IN, ITS, LAKE, MAJESTIC, MARSHLAND, MIGRATORY, MIRRORED, NATURE, ORNITHOLOGY, PEACEFUL, PLUMAGE, POND, REFLECTION, RESERVE, ROMANIA, SERENE, SWAN, SWANS, SWIMMING, THE, TRANQUIL, WATER, WATERBIRDS, WATERFOWL, WATERS, WATERWAY, WETLANDS, WHITE, WILD, WILDLIFE, WINGS,