How to Create Vector Art in Illustrator | Illustrator Tutorial

Here i upload one of my work in illustrator, the work is not completed yet. it took almost 3hrs... How to create vector art in Illustrator? -~-~~-~~~-~~-~- Please watch: "Photoshop Tutorial: How to Create Stunning, Photo Mosaic Portraits in Tamil" https://www.youtube.com/watch?v=pjqR4yt7EyE -~-~~-~~~-~~-~-