Yellowstone Park - wonderful memories

So jealous, Ian and I did the route you have just done the year before Amy, our last grand tour. Looking forward to details on your return xx

ResenärA series of intense colours. Ready made abstracts. S

ResenärYou'll recognise this as a blue heron immediately.... S

ResenärFootnote: this blue colour is the same sulphur compound that colours lapis-lazuli and my friend Ian with whom we are staying was the first scientist to identify this compound!