Abandoned City Escape

You trip has come to an abrupt halt the moment you entered this abandoned city. You have just lost your way and you have no idea about how to exit from this city. You cannot see one soul in this place and so there is no question of getting some from anybody. However, I am sure you will find some clues as you look around very carefully. These clues can be used to solve some puzzles and may be find the exit from the city. Remember that if you miss even one clue the situation will only become very complex for you and escaping will become nearly impossible.