area breath cure grass health healthy lake lawn pensioner pond rest rest area spa park trees walk water banks calm canal countryside England english Great Britain nature placid reeds river spring stems Sussex tranquil autumn bank bayou flag golden leafs park post red reflection tree waterway white yellow Africa bird bush bushes egipt low-tide mangrove paddle salt water sea seacost shrub wade water bird disused green natural old peaceful current danger flood flow muddy spate surge torrent turbulent winter