Sentence examples for underground obstacles from inspiring English sources

And conventional foundation wall construction was ruled out because of the many underground obstacles, from ships' ballast to the PATH tubes.

But big underground obstacles are not expected.

From there, a three-mile hike leads to further underground obstacles: walking through chest-deep water, scaling rocky ledges in the dark, squeezing through narrow cracks in limestone walls and climbing a tall rickety ladder.

Other important examples are gas explosions and large scale dispersion of hazardous materials in urban places, cities or underground involving obstacles such as buildings and various infrastructures.

The models are oriented to specific real world applications: a one-dimensional model of crowd structure interaction in footbridges and a two-dimensional model of pedestrian flow in an underground station with several obstacles and exits.

However, GPS is not effective in some harsh environment, such as indoor or underground, because of the obstacles.

With the underground housing, the only obstacle in passing a house is to get past the entrance.

Mr. Meinke of the North Fork Environmental Council said LIPA was exaggerating the obstacles to going underground on the North Fork.

Teams battle in 32 arenas one half with traditional, open-style stadiums, and the other half with environmental obstacles, such as the underground mines.

3. Using Restrictions as Inspiration I invented a site-specific solution -- an above-ground swimming pool with an underground bath house to circumvent an outrageous obstacle.

Back in the underground hangar, Tofeldt has no illusions about the obstacles ahead.