Los preparativos para nuestro viaje a Costa Rica

http://www.youtube.com/watch?v=OsaBMJ-kcZo&feature=youtube_gdata

Bibliografía

http://wanderlust.bajan.pl/2011/07/07/road-trip-packing-strategies-revealed/

http://www.tiptoptens.com/2011/07/11/top-10-busiest-airports-in-the-world/hartsfield_jackson-atlanta-international-airport/

http://www.elcivics.com/lifeskills/airline-travel-1.html

http://www.filmmuskegon.org/photo4.htm

http://www.tropicalisland.de/united_arab_emirates/dubai/dubai_airport/pages/DXB%20Dubai%20International%20Airport%20-%20Emirates%20Airlines%20Airbus%20A330-200%20aircraft%20at%20the%20gate%20in%20Terminal%201%20detail%203008x2000.html

http://www.gasdetection.com/news2/health_news_digest59.html

http://www.costaricatrees.com/

http://www.youtube.com/watch?v=75mGCfU9Hz0