In France, we dug trenches ten miles long. We took earth from here and made hills there. We moved entire fields. You wouldn't believe what we did. It's possible. It's just hard work.

More from The Englishman Who Went Up a Hill But Came Down a Mountain

• The truth is that, while we Welsh like to believe that it was the mountains that beat the successive invaders, it was really the weather that comes with mountains. It was the rain that defeated every invader. Yes, simple rain.