今回ご紹介するのは・・・
I would like to introduce you to...
巨石ゴロゴロ！倉敷市にある「王墓の丘史跡公園」 （１０）
The Royal Tomb Hill Historic Site Park in Kurashiki City, Okayama Prefecture.（１０）
王墓山丘陵に広がる「王墓の丘史跡公園」には
王墓山古墳、真宮古墳群、大池上古墳群などがある
The Ooboyama Tumulus, the Shingu Tumulus Group, and the Oikegami Tumulus Group
are all located in the Ooboyama Hill.
主墳は王墓山（おうぼさん）古墳
The main tomb is the Oubosan Tumulus.
R25ｍ程度の円墳もしくは方墳で築造はAC560-590（6世紀後半）
It is a round or square tomb with a radius of about 25 m.
It was built in the late 6th century (AC 560-590).
長さ２ｍの組合式家型石棺が外にむき出しになっている
a 2-meter-long union-style house-shaped sarcophagus exposed outside.
この様式の石棺は総社市の備中国分寺隣にある「こうもり塚古墳」とつながりがあるらしい
This style of sarcophagus is said to have a connection
with the "Komorizuka burial mound" next to Bicchu Kokubunji Temple in Soja City.
真宮（しんみや）古墳群・・・
特に大きな横穴式石室が見れるのが6号墳
Shinmiya Tumulus Group: Tumulus No. 6 has a particularly large side-hole stone chamber.
巨石で構築され全長11ｍ、幅1.8ｍある、AC560-590年（6世紀後半）ごろの築造
It is made of huge stones and has a length of 11 m and a width of 1.8 m. It was built
around 560-590 AC (late 6th century).
墳丘は流出し石室内部にも土砂が堆積しており高さは不明
The mound has been washed out and sediment has been deposited inside the
stone chamber, so the height is unknown.
大池上（おおいけうえ）古墳群
Ooikuei Tumulus Group
9号墳は墳丘と天井石はすでにないが、鏡石と側壁の石材が残っている。
The mound and ceiling stone of Mound No. 9 have already disappeared, but the mirror
stone and the stone materials for the side walls remain.
石室全長は5.5m、幅1.7ｍ
The total length of the stone chamber is 5.5 m and the width 1.7 m.
引用／現地説明看板及びウィキペディア（Wikipedia）
Reference: Local explanatory signs and Wikipedia (Japanese only)