Shanghai is well known for its dizzying array of skyscrapers with their unique facades and styles but rarely do most people look beyond the exterior shell which can sometimes be just as intriguing on the inside as they are on the outside. Such is the case with the imposing Jinmao Tower which at 421 m high makes it the fifth tallest in the world currently (as well as looking like something out of a batman movie!). Inside the monstrous building the Shanghai Grand Hyatt hotel occupies floors 53 to 87  and therein contains the hidden gem I was here to find… The hotel is obviously only open to paying guests which, being a man of modest means, I was not. Much against the protestations of my Chinese friend (who…