Some details form May 2016, Hanoi:
- went to Zspa (map below),
- very simple,
- 250k dong for spa for 1 hour in simple room (they have superior and VIP), 250k to the boy (written in receipt and paid to the manager) and 100k in his hands,
- nothing serious during or after,
- and generally - "nothing to write home about".
Next day I was in Hero in BKK and Hero was 10 times better

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The second (gray) building from the left:
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