File:Churchill Barrier 1.jpgyour choice. English author name string: BillC URL: https://commons.wikimedia.org/wiki/user:BillC Wikimedia username: BillC determination method: SHA-1
File:Churchill-Barrier-1.jpgyour choice. English URL: https://commons.wikimedia.org/wiki/user:BillC Wikimedia username: BillC author name string: BillC determination method: SHA-1