Demonstration (5 mins) Drawing  YouTube: Demonstration (5 mins)
Drawing sketch process

https://www.youtube.com/watch?v=pVDi-Drh5j8

https://www.youtube.com/watch?v=OY1OJ71egHs
Drawing Young Girl - Charcoal Study #I-lost-count - Art Video Art
Drawing Video - Duration: 3:59. ThePortraitArt283,551 views

Life Sketch 3 by Han Dai-Yu

Drawing People in Public - USD - Easy Things to Draw
https://www.youtube.com/watch?v=0DIlIuALqQs

How to Draw a Face Accurately - Exercises to Improve Your Drawing
https://www.youtube.com/watch?v=6Etx8WtPIMI

http://blog.wenxuecity.com/myblog/26360/201604/811025.html