While in Chengdu this coming May, before heading for Jiuzhaigou ,we would like to add these places into our visiting plan. Chengdu-Dujiangyan-Huanglong-青城山-Siguniangsan -Chengdu. Please inform
1.what is the most affordable transport to reach these places from Chengdu.
2. The logical sequence of visit.
3. Any frequent connecting transport from one tourist spot to another.
Thank You in advance -Angie