close-up view of two cats sleeping

close-up view of two cats sleeping. One cat is black and appears to be larger, providing a dark surface for the second cat. The second cat is a tabby with brown and grey fur. It is nestled against the black cat and its face is partially visible, with its eyes closed. The cats are in a dimly lit environment, possibly indoors, with a wooden structure to the right of the frame. There are no people visible in the image. The location of Zelenikovo, Bulgaria, is not discernible from the provided image.