These are chat benches in the shape of a semi colon to provoke and promote the conversation and mental health and suicide prevention by their very design, as well as being benches to connect, chat, reflect.
The semi colon has become the universal symbol of mental health, trauma and suicide survival. As the author uses the semi colon to denote the sentence has not finished, so the semi colon has become a symbol of survival and -my story isn't over.