Petrov's Bridge - Credit: Wikimedia Commons
Arnott Street Railway Bridge (Petrov's Bridge) was a small, isolated railway bridge in Canberra, most famously used by soviet agent Vladimir Petrov in 1954 as a dead drop location for the Australian Security Intelligence Organisation (ASIO). The bridge was used as part of the Bombala railway line before it was demolished in 2018. Read more on Wikipedia
Source: en.wikipedia.org