I used to work on the 7th floor of the building at 1-5 Railway St, Chatswood. Sometimes at around 5pm the building would shake subtly but noticeably, we theori

I used to work on the 7th floor of the building at 1-5 Railway St, Chatswood. Sometimes at around 5pm the building would shake subtly but noticeably, we theorised it was from the trains passing underneath.