The first line, the red one, opened in 1964, the green line opened 5 years later in 1969, the yellow line in 1990, and the lilac line in 2013.
The first line opened in 1964, the green line opened 5 years later in 1969 in 2013. The first line opened in 1964, the green line opened 5 years later in the yellow line in 1990 in 2013. The first line opened in 1964, the green line opened 5 years later in the lilac line in 2013. The first line was the red one.