Ill Winds On a Sunny Day: a Film On Air Pollution. Original public domain image from Flickr https://www.rawpixel.com/image/9648677/image-art-medicine-smokeFree Image from public domain licenseEmperor Muhammad Shah (r. 1719-48) Presides Over Celebrations of the Spring Festival of Colors (Holi Utsava) https://www.rawpixel.com/image/12038378/image-face-aesthetic-personFree Image from public domain license