| Excavation researches revealed that the designs for the cloisters of Yakushi-ji Temple in the Heijo-kyo were changed in the course of construction from the initial single corridor (pillars form two rows) design to the double corridor (pillars form three rows, and passages are two lines) design. |
発掘調査の結果、平城薬師寺の廻廊は当初単廊（柱が2列）として計画されたものが、途中で複廊（柱が3列、通路が2列）に設計変更されたことが判明している。 |