I'll travel to Japan next May. I have two options for travelling at similar prices, one with short stopovers and one with long stopovers. One of the options with long stopovers is visiting Beijing. One stopover (outbound) is about 11-12 hours and the second stopover (return) is about 15. I had thought about the option of using one of these stopovers to visit Beijing and its zoo. Do you think this option is possible? I've seen that the zoo is just over half an hour from the airport by car. I could take a taxi. Do you think this is possible? How many hours does it take to see the Beijing zoo? I've seen that they have a spectacular collection of primates, as well as many rare ungulates, birds, reptiles and amphibians. But I would only do this if it's possible to see the zoo properly, taking into account that I can't spend many hours there.