Crown Prince's spaniel saw the Romanov family gunned to death before his epic escape.
Image goes on display at new Tobolsk museum dedicated to the exile of Nikolai II and family shortly before they were shot.
Grand Duke Georgy Romanov will now promote Russian business in the EU.
It was in August 1917 - 95 years ago this month - that the abdicated emperor and his fearful family departed Tyumen into their Siberian exile.
New computer model of Ipatiev House lets you wander around the residence where the Romanov dynasty was obliterated.
Tuesday is Christmas Day across Russia, so we wish you Merry Christmas from Siberia.
Tsar's daughter may, after all, have escaped the execution which wiped out the royal family, says new book.