access ascend blue bridge climb elevator glass lift metal pedestrian stair steel steps tower walk Alcudia Alcúdia Balearic Islands coastline footpath majorca Mallorca mediterranean mountains path sea Spain tunnel water barrier curved decay fence gleaming railings shiny slope smooth urban access-denied access-limited advice alert appropriate-behavior appropriate-behaviour ban banned be-careful beware bylaws communicating communication concern danger dangerous denied directions information informing law legal motorbikes-prohibited no-wheels not-allowed not-permitted pedestrian-care pedestrian-safety permission-denied prohibited prohibition prohibitions restricted restriction restrictions risk risks rules safety sign signs symbol warning warning-sign watch watch-out announcement bicycles-prohibited behave behavior behaviour black communicate don’t limited-access no no-access no-entry no-pedestrians red unauthorised unauthorized parking rollerskates-prohibited skateboards-prohibited cycling-prohibited no-bikes no-cycling angle angled angles architectural architecture brickwork curving decorative light passage passageway pedestrians practical protective safe shade shadows slant slanting sloping stonework sunlight sunshine through underpass wall