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Martin Holan is sent to Prague to examine a mysterious World War II tunnel. What begins as a short expedition to Prague quickly turns into a dangerous and thrilling mystery! Brace yourself for an adventure involving murder, deception, the deep dark secrets of the Nazis, and the demise of the Mayan civilization. Travel through 80 locations of breathtaking scenery and a captivating musical score. Join our hero, Martin Holan, as he is thrown head first into the heart of an exhilirating adventure!