A poster with the words 'Global Citizen Lecture' and illustrations of people in colorful, smiling while falling from the sky, representing social progress towards utopia. The background is blue, symbolizing calmness. Created by John Holcroft for Yves Klein in a minimalist style.

A tall white building with windows, shot from the side, in the style of minimalist photography, symmetrical composition, on a light background, with beige and gray tones, in the style of John Holcroft for Aesop.