What are your thoughts on this itinerary?

What are your thoughts on this itinerary?Depart Chicago: June 6Arrive Hanoi: June 7Depart Siem Reap: June 16Arrive Chicago: June 16 (same day due to time zones)⸻🇻🇳 Stop 1: Hanoi3 Nights: June 7, 8, 9June 6Depart Chicago overnight.June 7 | Arrival • Evening arrival • Old Quarter hotel • Easy dinner + short walkJune 8 | Hanoi Culture Day • Ho Chi Minh complex • Temple of Literature • Hoa Lo Prison • Café hopping • Optional water puppet showJune 9 | Flexible / Jet Lag Buffer • Street food tour • Cyclo ride • Vietnam Museum of Ethnology • Light evening before cruise transfer next morning⸻🚢 Stop 2: Ha Long Bay1 Night Cruise: June 10June 10 | Cruise Begins • Morning transfer (about 2.5 hrs) • Board before noon • Kayaking or cave exploration • Sunset on deck + seafood dinnerJune 11 | Cruise + Fly South • Sunrise on the bay • Brunch onboard • Disembark late morning • Direct transfer to Hanoi Airport • Evening flight to Da Nang⸻🇻🇳 Stop 3: Da Nang(with Hoi An)3 Nights: June 11, 12, 13June 11 | Arrival Evening • Check into beach resort or Hoi An boutique • Relaxed dinnerJune 12 | Golden Bridge DayVisitGolden Bridge • Early cable car (beat crowds) • Explore Ba Na Hills • Return mid-afternoon • Evening lantern walk in Hoi AnJune 13 | Central Vietnam Relaxed DayChoose: • Beach morning + Marble Mountains • My Son Sanctuary ruins • Cooking class in Hoi An • Tailoring or cultural workshopsThis extra day is what makes this stop feel worthwhile.⸻🇰🇭 Stop 4: Siem Reap3 Nights: June 14, 15June 14 | Fly Da Nang → Siem Reap • Morning flight (connect via Ho Chi Minh City) • Afternoon Angkor Thom + Bayon • Sunset viewpoint • Dinner in townJune 15 | Full Angkor DayVisitAngkor Wat • Pre-dawn sunrise • Explore Angkor Wat interior • Ta Prohm (tree temple) • Optional Banteay Srei in afternoon • Final celebration dinnerJune 16 | Departure • Relaxed morning • Airport transfer (allow 60 minutes due to distance from town) • Fly home • Arrive Chicago same calendar day