Hi ,we will arrived at Beijing 06/11/2011 12.20AM ,we planing go visit great wall ,forbiden city ,summer place and hutong .we need four nights stay at hotel .we like to know how much total cost ,are the price include the tickets of great wall,..... can you please send me the detail information .thanks .also we need take fast train to Xian .can you forward that price infor also .thanks.