Russian billionaire unveils his £260m yacht

At 468ft in length, with ship masts nearing 300ft high, ‘Sailing Yacht A’ is the world’s biggest sailing ship
The yacht has been built for Russian billionaire Andrey Igorevich Melnichenko out of a German shipyard
Cruise speed is 18mph, with a top speed of 24mph. The hull is made of steel, with a teak-finish deck
Superyacht expert tells MailOnline that it will be ‘very significant ship’ once the interior work is completed
Mr Melnichenko, whose net worth is estimated at £6billion ($9billion), founded the fertilizer producer EuroChem