Madrid Metro, constructed during the turbulent era of the First World War and the Spanish Flu, has completed 104 years of its eventful journey. When opened in 1919, it was seen as an engineering feat and as a "miracle" because Spain's first line of metro had been built in just two to three years, said a top official of Madrid Metro.from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/YSZc1Xd
