Colonel Nakagawa used the rough terrain to his advantage, by constructing a system of heavily fortified bunkers, caves, and underground positions all interlocked into a " honeycomb " system.

However, they have significant advantages when deployed inside confined environments such as tunnels, caves, and bunkers.

The antipersonnel effect of the blast wave is more severe in foxholes, on people with body armor, and in enclosed spaces such as caves, buildings, and bunkers.

As the fire-bombing campaign took effect, Japanese war planners were forced to expend significant resources to relocate vital war industries to remote caves and mountain bunkers, reducing production of war material.

The Novel Explosive ( SMAW-NE ) rocket is effective against caves and bunkers.

On the various islands, the Japanese Civil Engineering Department and Naval Construction Department had built roads, trenches, bunkers and caves.

Bánáthy's family, along with other officers and their families, found shelter at first in farmhouses, and later in bunkers, caves, and trenches.

In World War II, combat engineers used satchel charges to demolish heavy stationary targets such as rails, obstacles, blockhouses, bunkers, caves, and bridges.

There were two things he wanted to do: inspect one of the many caves that had been dug into the hills on the Naval Base, and visit an old shipmate.

Throughout the southwest Ancient Puebloan region and at Mesa Verde, the best known site for these large number of well preserved cliff dwellings, housing, defensive and storage complexes were built in shallow caves and under rock overhangs along canyon walls.

By the end of the 5th century, there were hundreds of monasteries, and thousands of cells and caves scattered throughout the Egyptian desert.

In the late 1940s and early 1950s, hundreds of religious documents dated between 150 BCE and 70 CE were found in caves near the ancient settlement of Qumran, about a mile inland from the northwestern shore of the Dead Sea ( presently in the West Bank ).

The ' Very Dark Caves ' featured in " The Mainland " were the Aillwee caves in the Burren, County Clare.

These illustrations were often placed in ceremonial and sacred locations inside of the caves.

The caves were not in an inhabited area, so they may have been used for seasonal rituals.

Terran explorers arrive in the latter part of the 20th century to discover that Mars is home to a decaying but still highly advanced culture that was creating technological marvels back when Earthlings were still living in caves.

Rainwater absorbs fractional amounts of Carbon dioxide from the air as it falls, making a weak carbonic acid solution that eats into the limestone and eventually forms hollows and channels Local bedouin have always know these caves and some were used as water supplies.

Additionally, offerings were made in caves.

Most of them were natural caves.

A jawbone found in the mainland Jenolan Caves Fossil deposits in limestone caves at Naracoorte, South Australia, dating to the Miocene include specimens of S. laniarius, which were around 15 % larger and 50 % heavier than modern devils.

During 1996 – 1997 water samples were collected at various points throughout the caves and showed different chemical compositions.

The caves were used again for Doctor Who The end of Time ( 2009 ) Scene includes the Doctor sharing thoughts and visions with the ood.

Most researchers today agree that the artists most likely were the Wanniyala-Aetto women who spent long hours in these caves waiting for their menfolk's return from the hunt.

It used some large natural caves which were increased in size by excavation and then sealed to store large volumes of air which could then be routed through the wind tunnels.

At 40 sites in Europe fossil bones and dental remains of leopards dating from the Pleistocene were excavated mostly in loess and caves.

Ice and snow were stored in caves or dugouts lined with straw or other insulating materials.

They were involved in river piracy including ; deception, concealment, ambush, and assaults in open combat, near natural obstacles and curiosities, such as shelter caves, islands, river narrows, rapids, swamps, and marshes.

In their article published in The Proceedings of the Prehistoric Society ( vol. 64 ( 1998 ), pp. 139 – 82 ) Whittle and Wysocki suggest corpses may have been placed in caves near the cromlech until they decomposed, when the bones were moved to the tomb – a process known as excarnation.

Located in the Haifa district are the Ein Hod artists ' colony, where over 90 artists and craftsmen have studios and exhibitions, and the Mount Carmel national park, with caves where Neanderthal and early Homo Sapiens remains were found.

Several other caves in the county were the site of smaller operations.

It covers the caves where originally meditation and miracles were performed by saints from the 12th century onwards.

Men were fastened to a machine and hurried off to hidden caves, and they were said to have been taken away by the gods.

When sinkholes are very deep or connected to caves, they may offer challenges for experienced cavers or, when water-filled, divers.

The caves extend a quarter of a mile ( 400 metres ) underground, with the individual caves or " chambers " connected by a series of long, narrow tunnels and passageways.

In Serbian language Peć means furnace or cave and its name is probably connected with nearby caves in Rugova Canyon which served as hermit cells for orthodox monks.

* Legend has that the many caves and tunnels under the old part of Toledo were connected and were used by occultists.

All large caves of the Ortobalagan Valley likely belong to a single hydrological system, connected to large springs at the Black Sea shore.

The " Tecopa " ( named for a Shoshone Indian chief ) and " El Pakiva " ( Devil's house ) caves are connected by a man-made tunnel and are open to guided tours led by California State Park rangers.

Several expeditions have connected two or more caves together.

Kevin Allred and Mike Meyer connected the two caves after seeing a small connection between the two caves and enlarging it to permit entry.

Smaller caves near Old Kazamura were also connected, including Hawaiian Acres # 1, Fern's, and Doc Bellou Caves.

In succeeding years, these have been connected to surface caves, including Top Sinks, County Pot and Pool Sink.

While Ruby Falls Cave combines with Lookout Mountain Cave to form the Lookout Mountain Caverns, the two caves were not actually connected by any passage.

There were some accounts of succeeding great tambalans ( from Cebuano word tambalanan, a. k. a. albularyo, referred to as the local shaman or quack doctors in modern sense ) before World War II that they happened to have an encounter with Inong in the mountains and network of caves in Inopacan that are connected with the caves in Bulacan, Hindang and to the Cuatro Islas.

Around the perimeter of this pit artificial caves are then dug to be used as rooms, with some homes comprising multiple pits, connected by trench-like passageways.

In karst anchialine pools and the caves these may be connected to, the fauna are diverse and include: crustaceans including remipedia and copepods, and among the vertebrates are several species of blind cave fish and eels.