Prompt: Hyper-realistic portrait of US President Joe Biden and Chinese President Xi Jinping seated across from each other at a mahjong table in a formal conference room, with meticulously detailed faces, features and expressions captured photorealistically, carefully depicted outfits, furnishings and accessories around them, Xi wearing formal robes with dragon motifs on the sleeves, Biden in a suit with tie, a strict portrait painting style showing all people and objects with photographic precision, a view outside the windows reveals Chinese architectural and landscape details in the background, creating an overall high-fidelity digitally painted scene that appears like a photograph. Rendered in a style emphasizing utmost realistic detail, texture, and representation of form.