 	<!-- DTD document for country.xml -->    	  
 	
	<!ELEMENT country (acountry)>
	<!ELEMENT acountry (countryname, destination+)>	
	<!ELEMENT destination (adestination, airport+, activities)>
	<!ELEMENT activities (activity+)> 
    <!ELEMENT adestination (#PCDATA)>	
  	<!ELEMENT airport (#PCDATA)>  	
  	<!ELEMENT activity (#PCDATA)>
	<!ELEMENT countryname (#PCDATA)>