This meant that it was one of the few points where the eastern flank of Danevirke was not made impenetrable by natural obstacles.
42.
In 1968, the Quebec government has built the longest fish ladder underground of the world, to bring salmon to bypass this natural obstacle.
43.
With surplus labor resting on a natural basis, there are no natural obstacles preventing one man from imposing his labor burden on another.
44.
As the only part of the kingdom of Deheubarth to present natural obstacles to an invading army, Cantref Mawr was of great strategic importance
45.
These were lined up to be as straight as possible, only deviating from their path due to natural obstacles that prevented a direct route.
46.
But if your genetic makeup is devoid of the glossy locks chromosome, don't fret _ technology has a way of skirting around natural obstacles.
47.
These were the two greatest natural obstacles to the construction of a road and where the construction gang would spend most of its time.
48.
Progress on the IAH was painstakingly slow due to the isolation of the building sites and frequent natural obstacles such as mountains and rivers.
49.
Operation Veritable was designed to bring the 21st Army Group to the west bank of the Rhine River, the last natural obstacle before entering Germany.
50.
The Predator is a logical choice for use in Bosnia because it can overcome the natural obstacle of frequent cloud cover, which foil reconnaissance satellites.