A beautiful nature photo of (Generate an image of a gecko on a ceiling with a backpack. The gecko should be standing on its hind legs with its front legs slightly extended, as if it's reaching for something. The backpack should be a bright color, such as red or blue, and should have straps that are visible on the gecko's shoulders. The ceiling should be a light color, such as white or beige, and should have some texture or pattern to it, such as wood grain or stucco. The gecko should have a curious or mischievous expression on its face:1.4), 8k, (photo by National Geographic:1.1), 4k, hd | Nature