Scheduled to open next year, Moscow's Cathedral of Christ the Saviour is the city's salute to the new millennium. Yuri Luzhkov, Moscow's powerful mayor and a front runner to succeed President Boris Yeltsin in next year's election, has been an influential figure in the building's swift construction. But its precise cost-estimated $1 billion dollars - is unknown. Arts journalist Geraldine Norman investigates how the cathedral has been funded, and attempts to unravel the mystery surrounding $12 million gift to the church from Yeltsin.