4-Day Classic Lhasa City Tour: Potala, Jokhang, Drepung, Sera

A relaxed 4-day Lhasa-only itinerary built for first-time Tibet travelers. Day 1: arrival, acclimatize at 3,650m. Day 2: Potala Palace + Jokhang Temple + Barkhor Street pilgrim circuit. Day 3: Drepung Monastery (once the world's largest, ~10,000 monks at peak) + Sera Monastery debate session. Day 4: morning at the Tibetan Traditional Hospital + departure. Includes 3 nights 4-star hotel, all entrance tickets, private guide and vehicle, Tibet Travel Permit handling, and altitude-friendly pacing on day one. Departures every Sunday and Wednesday.