New rail line construction makes it possible to take a train from Portugal to Singapore (in just 21 days)

Reddit user u/htGosSEVe studied train routes and charted what they call 'the new longest possible train journey in the world.' It starts in the southern part of Portugal and ends up in Singapore.

From The Independent's article on the map:

Analysis by rail blogger Mark Smith, aka The Man in Seat 61, and Reddit users calculated that the 11,654-mile journey could be done in 21 days. — Read the rest