Create an image of a vibrant cultural festival where people are painting colorful portraits of each other, capturing the essence and diversity of the event through their artwork.

Depict a vivid cultural festival full of energy and life. Envision people of various descents, such as Caucasian, Hispanic, Black, Middle-Eastern, and South Asian people, engaging with each other enthusiastically, enjoying the beautiful moments and painting colorful portraits of one another. These portraits are splendid, capturing the essence and diversity of the event through their artwork, showcasing the multiculturalism of the event. The festival scene should be teeming with activity and the air filled with joy and camaraderie, reflecting the harmony in diversity. A representation of humanity's shared love for art and culture.