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Wishing a quick and complete recovery to the all victims of

the Noto Peninsula Earthquake in 2024. 

At 16:10 on 1 January 2024, there was a magnitude 7.6 (preliminary) earthquake in the Noto region of Ishikawa Prefecture, Japan.

Many roads are reported to be sinking or collapsing. Rescue operations in the affected areas have been delayed because of these problems.

We wish our deepest sympathies to all people who are staying at home or in shelters in the cold winter days.

​We also pray for you to rebuild the region with great strength.


About UBH (Undergrond Built Heritage)?

We call the underground spaces that have been built up by human beings 'underground cultural heritage'. We use the English description "Underground Built Heritage". We use 'built' because it is constructed by human beings. "UBH" is used for brevity. (Hereinafter "underground built heritage" will be referred to as UBH).


Please notice that the concept of UBH does not include underground spaces such as caves (windholes and ice holes) created by natural forces. However, natural grottoes that have been renovated or modified into 'human activity spaces' by ancestors with some intention may be included in UBHs.

UBHs are located all over the world. Since the beginning of time, human beings have expanded their habitat over huge expanses on land, into the oceans, into the cosmos as we have expanded our 'human activity spaces'. All the same, human beings have 'extended our activity space into the underground', too.

We believe that the UBH is a great construction by us humans and a 'heritage' that we should consider more important. It is also believed that UBH is likely to be the foundation of the regional identity. That is why we do not use the phrase 'Cultural Property', but use the phrase 'Heritage'.

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