Robert AW

$cars = [
    "Germany" => ["Audi", "BMW", "VW"],
    "Russia" => ["Lada", "Gazel"]
  ];
  foreach ($cars as $country => $model) {
  	echo '<br>';
        echo $country;
 

  foreach ($model as $key => $value) {
    
    echo  $value;


  };
};