{"version":"1.0","type":"card","id":"dabafa23-4d13-4e1e-b4a3-faeb6364be26","url":"https://stacklist.com/card/dabafa23-4d13-4e1e-b4a3-faeb6364be26","title":"Blue Grotto (Biševo)","source_url":"https://en.wikipedia.org/wiki/Blue_Grotto_(Bi%C5%A1evo)","note":"The Blue Grotto (Modra špilja) is a famous sea cave located on the island of Biševo in Croatia. Renowned for its stunning blue light, the grotto attracts tourists for its unique natural beauty and vibrant underwater scenery.","image":{"url":"https://ucarecdn.com/41814df9-9085-4b29-8e28-55a4b22d80ae/","alt":"Blue Grotto (Biševo)","width":1536,"height":2048},"stack":{"id":"ca73a9c2-7838-4894-bbe3-92bca595fad4","title":"Boat trip from Vela Luka","url":"https://stacklist.com/c/places/stack/ca73a9c2-7838-4894-bbe3-92bca595fad4"},"created_at":"2026-08-11T06:46:48.101Z","updated_at":null,"aco":{"summary":"Blue Grotto (Modra špilja) is a flooded sea cave located on the island of Biševo in the Croatian Adriatic, famous for its glowing blue light phenomenon visible between 11 AM and 12 noon. The 24-meter-long cave receives over 10,000 tourist visits annually and features an artificial entrance built in 1884 to allow boat access to this natural beauty spot.","tags":["blue-grotto","sea-cave","croatia","biševo","natural-attraction","adriatic","geology"],"key_entities":[{"name":"Biševo","type":"location","confidence":0.99},{"name":"Croatia","type":"location","confidence":0.99},{"name":"Adriatic","type":"location","confidence":0.98},{"name":"Komiža","type":"location","confidence":0.95},{"name":"Vis","type":"location","confidence":0.95},{"name":"Capri","type":"location","confidence":0.93},{"name":"Baron Eugen von Ransonet","type":"person","confidence":0.92},{"name":"sea-cave","type":"concept","confidence":0.98},{"name":"iridescent-blue-light","type":"concept","confidence":0.96},{"name":"limestone-erosion","type":"concept","confidence":0.94}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-08-11T06:46:55.434Z"},"token_counts":{"approximate":1227,"cl100k":1346},"content_hash":"sha256:3616e2500117c57327d72782623dd48f38c507fda823729a2637005898964bba","acp_version":"0.2","body_available":true,"body_tokens":1227,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/dabafa23-4d13-4e1e-b4a3-faeb6364be26.json","html":"https://stacklist.com/card/dabafa23-4d13-4e1e-b4a3-faeb6364be26","md":"/api/public/card/dabafa23-4d13-4e1e-b4a3-faeb6364be26.md","stack_json":"/api/public/stack/ca73a9c2-7838-4894-bbe3-92bca595fad4.json"}}