Prompt
"Generate an image of a large, crowded conference hall with delegates from various countries seated at tables, with a prominent banner reading 'COP15' or 'UN Climate Change Conference 2009' in the background. Include a few notable leaders such as Barack Obama, Gordon Brown, Angela Merkel, and Nicolas Sarkozy in discussion or standing near the podium. The atmosphere should convey a sense of urgency and importance, with a hint of tension or disagreement. The image should be a realistic representation of a significant international event, with a formal and professional tone."
