Assertion: proscenium | /r/AtLocation | the abstract
Facets:
value: during a refurbishment in 1928
type: TEMPORAL
Source sentences:
text: As mentioned in the abstract, during a refurbishment in 1928, the proscenium of the stage was removed in order to open the orchestra pit, which was not considered in the original 1840 design.
text: The proscenium, as mentioned in the abstract, was the foreground part of the stage, and it was made of wood.