The station or tunnel section is often constructed through the shaft from the
cross passage under the mining method.
As failure of
cross passage and leakage of diaphragm wall related to underground water also often lead to catastrophic accidents, simulations of both matters can be considered to be delivered to understand related behaviours and mechanism in the future
Llwyn Celyn still has its original floor plan with
cross passage and service rooms, central hall and parlour wing
The present building was built as a Snowdonia
cross passage house in about 1553 and modernised in 1580.
The North Korean statement also said the ''closed Panmunjom north-south Red
Cross passage should be reopened and the freezing of (the consultative office for economic cooperation) in the Kaesong Industrial Zone be lifted as a measure of good faith for opening the channel of dialogue and improving the north-south relations.''
The house was built around 1740, says owner David Deans, and was originally two properties with a
cross passage, which were knocked into one a few years later.
Their defining feature is an unusual lobby entry plan whereby the chimney is located in the middle of the property with no
cross passage.
The house is now restored with a full central
cross passage from front to back.