{"type":"rich","version":"1.0","title":"미국 랜드마크 찾기","description":"학생들이 미국의 유명한 랜드마크와 그 위치를 짝짓는 활동","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922010198&hashid=ZbKRwQmzry","html":"<iframe src=\"https://arcade.padlet.com/embed/ZbKRwQmzry\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}