A cave is a natural opening in the ground extending beyond the zone of light and large enough to permit the entry of man. Occurring in a wide variety of rock types and caused by widely differing geological processes, caves range in size from single small rooms to interconnecting passages many miles long.
Cuban passport. Cuban passports are issued to citizens of Cuba to facilitate international travel. They are valid for 6 years from the date of issuance, but have to be extended every 2 years. The cost of this passport is about US$500 (CUC 500) for every two years if one person lives in the United States. Until January 14, 2013, the Cuban government required that all Cuban citizens and foreigners such as foreign students that live in Cuba desiring to leave the country would have to obtain an exit permit (Spanish: Permiso de Salida).
1 The total cost to get photos and apply for a passport can run $50-$175. 2  The Department of State Passport Fees website breaks down all the standard government fees. 3  Breaking down the specific costs, the application fee for a passport booklet is $75 for adults (16+) and $60 for children. Breaking down the specific costs, the application fee for a passport booklet is $75 for adults (16+) and $60 for children. 2  Applying for a passport card costs $20 for adults and $10 for children.