fragment of the rostral column of the trinity bridge. st. petersburg.

20th acting actively architecture areas art axis been blue border bridge building cartographers central century column connect crossing drawbridge embankment famous ferry field fragment going granite greenwich has his history inscription iron its known landmark long longest mars meridian metal monument movable obelisk old openwork passes petersburg petrograd place pulkovo rostral russian sculpture second side sky span spans square statue stone this time tourism travel trinity troitsky urban used was which