I'm interested to bring my family 2 (with 2 kids 10 and 12 yrs old) to Beijing or Chengdu. My priorities is to have experience in below area:

1. Beautiful Country side - with snow
2. Exprience at one of the Ancient City / Area at any place within these 2 city
3. Traditional craft / especially embroidery, painting and silk production (The place of making or place selling those products).
4. Garden with blossom / cherry flower
5. How long is the best duration 2 travel between these 2 cities
6. What is the best/ practical transportation from Chengdu to Beijing? If I'm going to Chengdu from KL and coming back to KL from Beijing. How about taking train / bus from Chengdu to Beijing?
7. It is ok to travel without using travel agency.
8. What is the best time to go there - how about end of Jan until February?
9. For a Muslim family, is it easy to get Muslim food / restaurant at both City.
10. Any TRavel Agency, would you like to recommend that can provide the above plan / desire.