In the mid-19th century, a railway line ran into the Palacio Real (Royal Palace) to the foot of the staircase.
Trains were originally developed to transport royalty nearly 200 years ago.
mnli hypothesis: Trains were originally developed to transport royalty nearly 200 years ago. premise: In the mid-19th century, a railway line ran into the Palacio Real (Royal Palace) to the foot of the staircase.