A beautiful highly detailed mechanical (Whether it is a proposal, an anniversary, or a special celebration, the heart-shaped balloon in the sky is a touching and beautiful symbol of love and affection:1.3) by makoto shinkai and peter mohrbacher, (dieselpunk:0.8), 70mm photo, featured on artstation, 4k, octane render, (centered composition:1.2), 4k, 8k, artstationhq | Steampunk