First: pictures taken to famous artists and then then photos edited to illustrate shadows.

The great Omar el sherief & and The beautiful Faten hamama

https://en.wikipedia.org/wiki/Omar_Sharif

https://en.wikipedia.org/wiki/Faten_Hamama

Second: then wooden shells have been cut into pieces to mimic shadows.

Third: then those wooden shells collected over hard wooden board.

The great Kamal El Shennawi

https://en.wikipedia.org/wiki/Kamal_el-Shennawi

wooden shells collected over hard wooden board

wooden shells collected over hard wooden board

The beautiful and most talented Shadya

https://en.wikipedia.org/wiki/Shadia