This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Nagoya Castle Feb . The Uzumi Gate of Nagoya Castle led to an underground tunnel that ran beneath the castle walls This tunnel was the secret escape rout to the be used by the lord of the castle during times of emergency The remains of the entrance can be found in the northwest part of the Ninomaru Garden Steep stairs led down to