It's a symbol of Scottish innovation, but one that we often take for granted as we travel across it on the train.This week, host Conor Matchett quizzes Edinburgh Evening News reporter Elsa Maishman about her "favourite topic", the Forth Bridge. To mark its 130 year anniversary they look at some amazing facts and figures, discuss the human cost of its construction, and look ahead to the proposed Forth Bridge Experience.But let's not forget the Forth Road Bridge and Queensferry Crossing, and how they impact the towns of North and South Queensferry. Being an adopted Fifer, Elsa discusses the playful rivalry between the towns.Learn more about your ad choices. Visit megaphone.fm/adchoices