Midjourney was used (OpenAI, 2023)
Reference List
Midjourney. (2023 March 30). [AI generated Midjourney response to a request for a huge interior scene of a medieval castle. with rustic wooden furniture, candelabras and dim light and stone walls and floors]. https://www.midjourney.com/home/?callbackUrl=%2Fapp%2F
Midjourney. (2023, April 1). [AI generated Midjourney response to a request for an image in the style of Ghibli studio, of small floating islands in a cloud filled sky, each little island should have a medieval castle on top of it including gargoyles, turrets, a gate and stone walls, the skyline beneath the floating islands shows the rooftops of a medieval castle with curtain walls and towers.]. https://www.midjourney.com/home/?callbackUrl=%2Fapp%2F