http://duzcekayahotel.com/galeri/duzce3.jpg



http://www.duzcetanitim.com/img/content/big/57YIGILCAYEDIGOLLERYOLU.jpg

http://www.egtur.com.tr/images/products/duzce-kartepe_kayak_-_thermal_turu_-ist-izmt_3204956250.jpg

http://www.youtube.com/watch?v=dbYOVzDyCV8