Watch LaterAdded 12:09 地理學速課 Capitalism, Communism, & Political Economies: Crash Course Geography #38
Watch LaterAdded 12:26 地理學速課 What Holds a Country Together or Tears it Apart? Crash Course Geography #36
Watch LaterAdded 11:06 地理學速課 Groundwater & the Israeli-Palestinian Conflict: Crash Course Geography #25
Watch LaterAdded 05:08 事物科學 How the COVID-19 vaccines were created so quickly – Kaitlyn Sadtler and Elizabeth Wayne
Watch LaterAdded 13:01 地理學速課 How Does the Earth Create Different Landforms? Crash Course Geography #20
