Probably not. The image is from a stock image site but the creator is heavily into AI image generation, so that’s probably what happened. The yellow-blue version does actually have some historical precedent, though, with flags like that being used by Ukrainian independence movements around the end of WW1 in particular.

Upside down flags are sometimes used to indicate distress

This recent contribution builds upon Estonia’s already remarkable track record of supporting Ukraine. Since the conflict began, the small Baltic nation, with a population of just 1.3 million, has provided nearly 500 million euros ($550 million) in military aid, a staggering 1.4% of its GDP. This figure dwarfs the contributions of many larger nations, showcasing Estonia’s unparalleled commitment to its war-torn neighbor.