watercolor art of a whimsical tree with heart-d leaves on a rolling hillside. concept of nature love, whimsy and

valentines romantic love watercolor art tree hearts nature whimsical landscape colorful hillside imagination fantasy romance vibrant painting spring scenery tranquil foliage freedom serenity harmony peace gentle emotion calming artistic dreamlike flourishing beauty delicate alive passion enchantment outdoors day festive illustration watercolour aquarelle fairytale land ai generated