Contrasting Shades : Anti-Retroviral Therapy We have been doing drawing since our childhood. Why we like drawing more than other subjects? We learn 'A' for an apple , 'B' for ball , but the question is how we find out that this is a ball and apple . I have an answer for this - through the pictures. Have you ever imagined the Earth and universe without colors? well , I do . The whole world was looking black and white ,and there is a constant struggle between delight and misery. In simple words drawing is just a picture made with crayons, pen ,pencils . I also picked up the brush and applied on paper and what I made was very beautiful. I don't know why ,but I always fe...