We had a very good time with the tour gide lady, Aria, throughout the day trip to the Mutianyu Great Wall and the Summer Palace. Aria was very helpful and communicative, she explained the history of each place very well and detail. Everything was so seamless we didn't have to think about how to get in, how to get the ticket, etc, because everything was already provided. Would totally recommend this day trip (and Aria) to everyone coming to Beijing!