Seafoam Tidemark on Rusty Iron 11 – Natural pattern, texture, and contrasting colours of creamy lace-like dried sea foam tide-marks, and green algae, on the multi-coloured rusty iron of a seaside pier at Weymouth in Dorset, UK. Image showing seawards view of the tide marks or tide lines of dried sea foam on the vertical rusty iron surfaces of the pier supports.
Jessica's Nature Blog 