Sydney, Hong Kong and Delhi are among the major world cities to have seen in the new year.

It’s currently the turn of Central Russia to welcome 2011.

Meanwhile, the Pope’s marked the final hours of 2010 with public prayer in the Vatican and concern for families struggling with economic troubles.

Benedict the 16th presided over a traditional New Year’s Eve vespers service in St. Peter’s Basilica.

He offered praise for volunteers and says the tough times require solidarity with those who live in poverty or deprivation.