There is a fourth day of rest, and the problem is not solved by anyone.
There was an unpleasant situation with the check-in at the Royal Holiday Beach Resort & Casino. My brother and child are currently resting there (or rather, not quite there). The tour was purchased from the APL Travel agency, at 15 Obolonskaya Embankment. Voucher number: 74796115. The essence of the problem is as follows: the hotel, (as it turned out already upon arrival, and even then, by chance), consists of two parts: one that has seen the young Brezhnev and "for white people.