英文關鍵字
bad
breisig
located
rhine
valley
hönningen
bonn
koblenz
official
spa
towns
touristic
connected
ferry
line
rheinfähren
still
exist
bridges
connect
sides
cargo
ships
pass
areas
unchanged
speed
2021
germany
big
ship
passing
transport
rhein
rheinschiff
cargofreight
infrastructure
logistics
typical