Therefore, if we would like to get to know how do miscellaneous places like Paris, Rome, Washington, Shanghai etc. look like, we ought to learn some basic information in the field of tourism field currently. First and foremost, we are recommended to to know what are the most popular players worldwide for example in the field of airplane travelling. In this case we need to know that RyanAir, WizzAir are the most often chosen companies for people, who would like to travel cheaply. It is indicated by the fact that these days in order to travel overseas it is in some cases substantially less expensive to decide for an airplane.