Sahara Desert

• Journey Across the Globe's Top Ten Deserts
  
  An In-Depth Look Into Earth's Most Vast and Diverse Arid Regions
  https://www.onlineupscinstitute.com/current-affair/journey-across-the-globes-top-ten-deserts
• Understanding the Richat Structure: A Geological Wonder
  
  A Deep Dive into the Formation and Significance of the Richat Structure
  https://www.onlineupscinstitute.com/current-affair/understanding-the-richat-structure-a-geological-wonder