From the Bridges board/category. [Bridge in Parque Nacional Fragas del Eume, Galicia, Spain (by RTH FOTOS). [Bridges have lots of "lines." Also, this bridge reminds me of train tracks that have lots of lines.
Barcelona - Stroll Las Ramblas: The most famous street in the city is a pedestrianized tree lined boulevard that has many green areas, restaurants and bars, with a range of market stalls and street traders.