I can help you organize a 6-day, 5-night tour that includes Xi'an, Rainbow Mountain, and Dunhuang for your group of 6 adults. Here's a proposed outline of the itinerary:

Day 1: Arrival in Xi'an

Day 2: Terracotta Warriors & Huaqing Hot Springs

Day 3: Dunhuang

Day 4: Rainbow Mountain

Day 5: Return to Xi'an

Day 6: Departure

Pricing:

I’ll provide a detailed quote for 6 adults, which will include:

Transportation (private vehicle, flights, or trains as necessary).

Guides for each city.

All entrance fees and activities.

Let me know if you have any preferences or additional requests, and I will send you the final details and pricing via email!