Audio sound designers know and love it well, the art of Foley. i.e. creating a sound effect in the studio to mimic the real life sound in the fictitious world of the programme. Here I gathered some stones and weeds from the garden, placed them on a board in front of the mic, and tramped my impression of Helen and Hera climbing up the hill. You can hear the finished produce here https://amIoldyet.com/s10e7