Patterns in the ice

(1/2) The pattern in the ice on Swan Lake on March 6 looks like a messy Feynman diagram. nature, winter, ice Photo: Marguerite Tonjes

(1/2) The pattern in the ice on Swan Lake on March 6 looks like a messy Feynman diagram. Photo: Marguerite Tonjes

(2/2) A similar pattern was seen on the ring moat, but this is more of a neuron shape. nature, winter, ice Photo: Marguerite Tonjes

(2/2) A similar pattern was seen on the ring moat, but this is more of a neuron shape. Photo: Marguerite Tonjes