barrier of life and death (touhou)

The Barrier of Life & Death (幽明結界 Yūmei Kekkai) is the boundary between Gensokyo and the Netherworld. It is a giant door with four wooden pillars emerging from the clouds.

Appears at the end of Stage 4 in Perfect Cherry Blossom and is a possible stage in Phantasmagoria Of Flower View.

The image that the door is based on.