volcanoes hope this helps 
 
        
             
        
        
        
Mexico City, Mexico.
Guatemala City, Guatemala.
Belmopan, Belize.
Tegucigalpa, Honduras.
San Salvador, El Salvador.
San José, Costa Rica.
Managua, Nicaragua.
Panama City, Panama.
 
        
             
        
        
        
Ages because they indicate it the same way they do trees
hope this helped :)