What was Picasso's most famous painting?

Oliver is out on location for a photo shoot. he prefers working with natural light. he has, however, realized that direct light is falling on the subject. how can oliver soften the natural light?

Albrecht durer, henri de toulouse-lautrec, and andy warhol used different techniques and process to get different effects in their prints. which print was made using lithography?

What are the letters of the line in the typical cliff in order from bottom to top of the staff