A thriving pine tree is a thing of beauty, but what if your pine tree doesn't seem so healthy? If you notice curious mounds of sticky sawdust dotting the trunks of the tree, this is a telltale marker ...

Amateur photographer Derry Moroney stumbled across massive patterns in Lake Cakora ... are now attracting attention online for their "tree of life" resemblance. Video by Isabelle Rodd BBC ...