'The 11 1/2-mile tunnel between Bologna & Florence, Italy bears the name of this Italian mountain chain'
the Apennines
TUNNEL: The 11 1/2-mile tunnel between Bologna & Florence, Italy bears the name of this Italian mountain chain
The 11 1/2-mile tunnel between Bologna & Florence, Italy bears the name of this Italian mountain chain
The 11 1/2-mile tunnel between Bologna & Florence, Italy bears the name of this Italian mountain chain
TUNNEL
the Apennines
TUNNEL