As above, so below. As below, so above. A quirk of Midjourney is that , when prompted to render an underwater scene, especially when that scene is incongrous with being underwater, the AI often renders two water surfaces. Usually, one surface is viewed from beneath, looking up, and the other from above, looking down. The effect is one that I really love, with the transition area between the two that is both water and air at the same time.
 
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Another design made possible with the use of the AI image engine, Midjourney.
 
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Printful says:
 
"Style rooms with this slimmer-than-ever thin canvas! Order it and hang it straight away with built-in wall mounts and rubber pads on the back ready to protect against damage.
• 0.75″ (19.05 mm) thick canvas
• Canvas fabric weight: 10.15 +/- 0.74 oz/yd² (344 g/m² +/- 25g/m²)
• Wall mounts attached
• Rubber pads on the back to avoid damage
• Slimmer than regular canvases

Important: This product is available in the US, Canada, Europe, and the UK only. If your shipping address is outside these regions, please choose a different product."
 
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"The artwork portrays a captivating underwater scene centered around a delicate, dark tree adorned with vibrant red leaves. The twisting branches of the tree extend upwards and downwards, reflecting on the serene water surface, creating a mirror-like effect. Fish swim around the tree, adding an element of life and movement to the composition. The harmonious blend of the dramatic red foliage against the muted, tranquil tones of the water invites contemplation and evokes a surreal, almost ethereal atmosphere. The intricate details and soft lighting contribute to the captivating and poetic nature of the artwork."