Hey sitara u should go to louvre...........it took me 3 days to visit entire place.......coz may be i am history lover and i like doing research in mythology .......................it is beautiful..................when i read book davinci code..........it was like movie to me coz i went there when i was studying in switzerland.......................it gave me a good view.........as far as concerned about leonardo da vinci...............i have bought all the books and documentary on him...........................the experiment was done on his work by BBC and british army was amazing........ 1. they tried his parchute.........it worked 2. bicycle it worked 3. tank..........it worked 4. gaint robert............i t worked 5.they tried diving suit .............it worked., he has the biggest brain ever had so far....................then comes einstin.............then comes steven hawkings...........then comes nehru.............belive me or not.....