Whenever I call my mum on video she always comments on the blue California sky. ‘It’s so blue, oh my god, look at that colour!’ She never tires of it. I come from England where we count blue sky days on our fingers - where we count blue sky days like pennies from heaven. I’m so grateful for the opportunity to soak in this healing colour from above. Blue like the forget-me-not flower; blue as my sister’s eyes. I will not forget the blessing of this sky, and the sun that illuminates it. I wish I could put this blue in a wooden box and wrap it up and send it to you to open on hard days, when you don’t know what is going to happen to this world; when you don’t know if true peace is possible. This is a postcard of blue, for you. I hope it brings you even a second of sky medicine today.