أرسل هذا في رسالة قصيرة: Hidden mechanical weaknesses within lava domes provided by buried high‑porosity hydrothermal alteration zones

  ______     ___     _____      _____     ______  
 /_   _//   / _ \\  |  __ \\   |  ___||  /_   _// 
   | ||    | / \ || | |  \ ||  | ||__      | ||   
  _| ||    | \_/ || | |__/ ||  | ||__     _| ||   
 /__//      \___//  |_____//   |_____||  /__//    
 `--`       `---`    -----`    `-----`   `--`