YOU SAID:

They seem to be abseiling down the building.

INTO JAPANESE

彼らは建物から懸垂下降しているようだ。

BACK INTO ENGLISH

They appear to be rappelling down from the building.

INTO JAPANESE

彼らは建物から懸垂下降しているようだ。

BACK INTO ENGLISH

They appear to be rappelling down from the building.