caption: The image shows a poster for the exhibition "Ambassadeurs" by Henri de Toulouse-Lautrec. It features a painting of a woman standing in front of a crowd of people, with text written on the poster. The woman is wearing a white dress with a blue shawl draped over her shoulders, and her hair is pulled back in a bun. The crowd behind her is composed of people of various ages and genders, all of whom are looking up at her with admiration. The text on a black background is written in a bold font, and the colors used in the painting are vibrant and eye-catching.