Will increase the local fame, let the public know that the documentary can maximize the mobilization of people's curiosity, just think of going to take a look and taste, so that the local popularity increase, promote economic development, behavior to come are coming, always need to use the money, no matter the accommodation or taste the delicious food, is a contribution to the economy, if people feel that the local and the documentary about the same good words, then it will invariably improve People will recognize the documentary crew and pay more attention to the documentary. (It's a virtuous circle, as long as ............)