historically the uk's longest lasting patch of snow disappeared in 2021 for what is said to be only the eighth time in 300 years, with the majority of these melting is happening since 2000. ian cameron has been documenting scotland's snow patches for 25 years. i asked him why he does it and what he's discovered tells him about the impact of climate change in these islands. , ., ., ., ., ~' impact of climate change in these islands. , ., ., ., , islands. the snow that i look at is a relic, islands. the snow that i look at is a relic. or — islands. the snow that i look at is a relic. or they — islands. the snow that i look at is a relic, or they are _ islands. the snow that i look at is a relic, or they are relics, - islands. the snow that i look at is a relic, or they are relics, our- a relic, or they are relics, our previous winters' falls and they persist on the varied gullies and cliffs of the scottish highlands well into summer and often beyond. in fact, some exist right through the year. so in summer and autumn you can often find me with high boots on trudging around the highlands of scotland is looking for the last vestiges of the winter snow. the amount of times that all snow. the amount of times that all snow vanishing is increasing. the sphinx patch of snow, britain's most