{"subject_places": ["Hanoi", "Hanoi (Vietnam)", "Vietnam"], "subjects": ["Antiquities", "Guidebooks", "Historic sites", "History"], "key": "/works/OL951688W", "title": "Historical and cultural sites around Hanoi", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL84998A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-09T17:30:46.188319"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-21T03:23:28.879908"}}