See also : What happens to goods lost at sea ? Sergey Matveev has operated the Palace Bridge in St Petersburg for many years . His wife and two sons also operate bridges in the picturesque Russian city . Drawbridge operators play a vital role in ensuring the smooth flow of maritime traffic along the River Neva .
Sergey Matveev has operated the Palace Bridge in St Petersburg for many years . His wife and two sons also operate bridges in the picturesque Russian city . Drawbridge operators play a vital role in ensuring the smooth flow of maritime traffic along the River Neva .