monica smith, institute of the environment and sustainability at ucla, she holds the chair in indian studies, field work in egypt, england, tu any -- tunisa, bang lad -- bangladesh and mad gas car. monica l. person to write about the book about concentration into cities, she also has a guest for vivid writing that will make come the life, please join me in welcoming monica l. smith >> thank you for being here, great to see family and friends altogether for this evening and has been amazing day for me and i have many people to thank, i would like to say a few words about city that are essential with modern lives that we can't live with them and we can't live without them sometimes but with more than half of the world's population living in cities and the percentage scheduled to go as time goes by, seems to be an amazing opportunity to think about the sciences of cities and the archaeology of cities and the kind of love-hate relationship when with our own urban center, everyone who came here today had an urban from school, combination of overpriced and also the traffic and realities of the latter of achievement. in all of those ways that kind of love-hate relationship that you have with th