{"type":"rich","version":"1.0","title":"帝國主義與殖民主義","description":"關於19、20世紀歐洲帝國主義與殖民主義，包括「非洲大獵」、「柏林會議」和「白人的負擔」等概念的問答活動","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1780633103868&hashid=ZRKMQPd9KA","html":"<iframe src=\"https://arcade.padlet.com/embed/ZRKMQPd9KA\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}