Celebrated French photographer Antonio Martinelli on Tuesday met Uttar Pradesh Chief Minister Akhilesh Yadav in the state capital, and expressed his desire to hold two photo exhibitions based on Lucknow and publication of a book.The exhibitions, he informed Yadav, would be based on the rich historical heritage of Avadh, one of which will be held in France and the other in Lucknow.The chief minister assured the lensman of full support, and said these exhibitions and books would go a long way in publicising the rich architectural and historical heritage of Lucknow across the world.