appropriate behavior appropriate behaviour black care communication danger dangers deep deep water depth jellyfish risk risks sign signs stingers submerged objects swimmers swimming warning water white yellow ancient architecture green hill historical lake landscape old reflection Spain tranquil view village animal crouching drink drinking eye eyes groningen nature tiger vector watching wild angry attack attacking bird fight pond river scared scaring scary swan swim break coast cyprus foam horizon mediterranean natural sea shore spray wave ash boiling Dead trees gray hot mountain orange pine trees yellowstone baby beak Ciconia ciconia cute feather Planckendael stork white stork wildlife wings zoo brown falls Hardwoods mountains oregon pines rocks stream summer. trees black / white daffodil Dordrecht field geel narcis park slack water spring wantij zwart/wit