... that after the French ironclad Atalante was condemned in Saigon in 1887, she fell into such a state of disrepair that "she foundered one night and gradually sank into the mud"?
... that, out of the 2,600 km (1,600 mi) of track in use in Vietnam's national railway network, 85% of passenger volume and 60% of cargo volume is transported along the 1,726 km (1,072 mi) North–South Railway line?