Original sentence: It is also known for its plant life, including Norwegian sandwort and mouse-eared Edmonston's chickweed, which only grows on the island.Less well known is an extraordinary bus shelter on the island, decorated by local residents with a sofa, television and computer
Edited sentence: Perhaps more unknown however is the extraordinary bus shelter, with a sofa, TV, computer and it's even the only bus stop with it's own website (as linked to below).Unst is also known for its plant life, including Norwegian sandwort and mouse-eared Edmonston's chickweed, which only grows on the island