I found this picture, and although small in scope, it shows Grand Duchess Ksenia, Grand Duke Alexander, and some of their children on the verandah of Ai Todor:
(http://www.hultonarchive.com/images/pictures/96e10/huch/3522/close/09.jpg)
i figured since the Hulton Archive shut down, i'd post the image (i hope this is the right one......) as well as one of Sandro & his sons.
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Harax -- Designed by Nicholas Krazov for G.D. George Mikhailovich
We arrived at what appeared to be a deserted estate; though it is an operating sanatorium and spa for government officials there were few signs of life anywhere. The house had a dejected air, looked as if it needed a little TLC. Although we couldn’t get inside we spent a long time in the gardens which I found enchanting... they must once have been glorious and even now there is an echo of their former beauty as well as an atmosphere that seemed almost other-worldly, as though there were spirits dwelling in the woods. At some distance from the house there’s an archaeological site which was once a Roman garrison named Harakc; now a reconstructed classical temple with columns from the original Oreanda estate overlooks the sea. I was struck by the great sense of peace in these gardens, perhaps it was because we were the only ones there but I think it was more than that... nearly impossible to imagine that it was from this estate that the last of the senior Romanovs fled from Russia.