The Classic Greek sculptures modeled the human body as if they were perfect. The men were sculpted muscularly, and the women were sculpted beautiful and slender. Later on, however, the sculptures became more realistic, depicting the flaws of the human body.
Answer:
It is important to include you own personal twist to every piece of art work that you create, because when you create a drawing, or painting, or what ever your doing, you need to express yourself, that is what art is all about! If you work does not have anything that fits you personally, then it does not express who you are, and without expressing yourself, your art does not mean anything, its is just simply something you created, instead of something you could be proud of.
I hope this helps, :)

1 ReviewWrite review
Musical Instruments: History, Technology, and Performance of Instruments of ...
By Professor of Musical Acoustics Murray Campbell, Murray Campbell, Clive A. Greated, Arnold Myers, Senior Lecturer in Music and Director Arnold Myers
Answer:
Im not fully sure, but I think that it is a drawing by leonardo da vinci, and it was one of his ideas for a thing kind of like a helicopter.
