Revealing close-up of yellow metal industrial chain and hook to lift cargo anchor and secure boats in the marina with a blurry cityscape in the background blue sky clouds buildings boats

closeup yellow industrial chain hook anchor secure boats marina blurry cdanger dangerous risky extreme high risk failure accident hazard hazardous peril perilous unsafe insecure precarious luck unlucky threat city urban architecture concrete building architectural structure cityscape downtown skyline outdoors tense tension stress pressure hassle worry discomfort uncomfortable stressful nervous uneasy