"Create a thumbnail for a YouTube video on mental health and healing that captures the essence of tranquility and understanding. The image must be highly visible and convey the significance of self-care and self-love at a glance. Opt for a background that mirrors the calming and hopeful hues of a sunset, providing a serene atmosphere. Instead of using illustrations, incorporate a photorealistic image that vividly depicts moments of individuals finding peace - such as someone deeply breathing in nature or a group of people smiling together, radiating warmth. These real-life scenes should effectively communicate support to those navigating through mental health challenges, with elements that reflect optimism for the future. The imagery should be strikingly realistic, offering a depth and clarity that rivals actual photographs, to truly resonate with the viewer's perception of reality, chaos, 4k --ar 16:9 --niji 6