People across the city are getting a chance to “travel back in time” this summer thanks to Cardiff Bus. The bus operator, working with the Cardiff Transport Preservation Group, has helped restore one of its vintage open top vehicles from the 1970s, to run from the city centre to Cardiff Bay for the summer period. Passengers can hop on the classic bus, which features the celebratory tramways cream and maroon colours, and travel between St Mary Street, Wyndham Arcade, and…