The sky, the sun, the greenery, and the parakeet The importance of the natural environment

जानवरों / The sky, the sun, the greenery, and the parakeet The importance of the natural environment
फूल-पौधों / The sky, the sun, the greenery, and the parakeet The importance of the natural environment
परिस्थितिकी / The sky, the sun, the greenery, and the parakeet The importance of the natural environment