1。 A You can take the subway to Sheung Wan Terminal, and then take a taxi to HKU Headquarters, which is faster. B, you can also take the tram (Tintin) to Qu Di Street Terminal, and then take a taxi to HKU (just halfway up the mountain); Get off the subway at Central Station and take the 3B line at Lan Kwai Fong to the HKU headquarters. It is more convenient to go to the Science Museum and Space Museum by subway. Sit in tsim sha tsui station and follow the exit instructions after getting off. 3. Half a day is enough for the Science Museum and Space Museum, and the headquarters of the University of Hong Kong is not big, so half a day is enough.