China in 10 days
Days 1-4: Beijing: see Beijing Attractions by days.
Day 5: Beijing to Xi’an transportation: take airplane (2 hours travel time), overnight train (about 12 hours travel time), or high-speed train (about 5.5 hours travel time).
Xi’an: When you arrive in Xi’an, check-in in you hotel/hostel, and rest a little bit. During the afternoon enjoy in Xi’an City Wall by foot or bike. In the evening, if you are not too tired, visit Muslim Quarter.
Day 6-7: Xi’an: do Day 1 and Day 2 from Xi’an Attractions by days.
Day 8: Xi’an to Jiuzhai Huanglong Airport transportation: take airplane (about 1 hour flight time). You will need 1.5 hours more from Jiuzhai Huanglong Airport to Jiuzhaigou. Use Day 8 to take a rest, and get ready for a whole day walking in Jiuzhaigou National Park. In the evening you can visit Bian Bian Street.
Day 9: Jiuzhaigou: do Day 1 in Jiuzhaigou.
Day 10: Jiuzhaigou-Huanglong/Songpan transportation: take bus from Jiuzhaigou to Huanglong or Songpan (2 or 3 hours travel time). Check Jiuzhaigou-Huanglong transportation for more info.
Huanglong: Visit Huanglong as described in Day 1 in Huanglong.
From Jiuzhai Huanglong Airport (九寨沟机场) there is a shuttle bus service to Jiuzhaigou via Huanglong, with 4 hours break for Huanglong sightseeing. It cost CNY110 and takes about 8 hours in total for travel and Huanglong sightseeing. If you like, you can spend Day 8 for Huanglong sightseeing and transportation to Jiuzhaigou. On this way you will get one day extra, because you will not have to visit Huanglong in Day 10.