Create a powerful and inspiring image to celebrate Blood Donation Day. The central focus should be a large droplet of blood with the Earth depicted inside it, symbolizing the global impact and importance of blood donation. Surrounding the droplet, illustrate a diverse group of people holding hands in a circle, representing unity and the collective effort of humanity in saving lives through blood donation. Include the text 'Blood Donation Day' prominently at the top, and 'Give Blood, Save Lives' at the bottom of the image. Use vibrant, warm colors to evoke a sense of hope, compassion, and community. Ensure the overall design conveys a message of solidarity, emphasizing the life-saving significance of donating blood.