blue island sea sky tree corse nonza plant birds clouds lake landscape light nature trees bay ocean sunrise sunset bushes dragon land plants water architecture boat coastline house beach Ibiza Spain summer yacht green holiday memories private resort vacation Villas waters cactus cliff Eivissa houses rock aeroplan caribbean fly islands sand white advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black care careful caution communicating communication concern crossing danger dangerous double-lines information informing lookout observant pedestrians reflective refuge risk risks risky road road-sign safety security share sharing sign signs small-traffic-island traffic traffic-flow traffic-island walk walkers walking warning warning-sign watch watch-out yellow