DUBROVNIK, CROACIA - 10 DE ABRIL: Los turistas visitan el casco antiguo de Dubrovnik, declarado Patrimonio de la Humanidad por la UNESCO el 10 de abril de 2015 . - Foto e imágenes de stock

Stradun street at old part of the city early in the morning. Dubrovnic, Croatia. Fortification.

DUBROVNIK, CROATIA - APRIL 10: Many tourists visit the Old Town of Dubrovnik, a UNESCO's World Heritage Site on April 10, 2015.

DUBROVNIK, CROATIA - APRIL 10: Many tourists visit the Old Town of Dubrovnik, a UNESCO's World Heritage Site on April 10, 2015.

DUBROVNIK, CROATIA - APRIL 10: Many tourists visit the Old Town of Dubrovnik, a UNESCO's World Heritage Site on April 10, 2015.

DUBROVNIK, CROATIA - APRIL 10: Tourists enjoy the terraces of restaurants in the old town of Dubrovnik in front of the Church of St. Blaise on April 10, 2015.

Architecture inside of old part of Dubrovnik, Stradun.

DUBROVNIK, CROATIA - APRIL 10: Tourists enjoy the terraces of restaurants in the old town of Dubrovnik on the main street Stradun on April 10, 2015.

HVAR, CROATIA - AUGUST 11: Many tourists visit the town of Hvar on the island of Hvar in Croatia on August 11, 2011.

DUBROVNIK, CROATIA - APRIL 11, 2015: Many tourists visit the Old Town of Dubrovnik, a UNESCO's World Heritage Site

DUBROVNIK, CROATIA - JUNE 13, 2016: Many tourists visit the Old City of Dubrovnik and the famous Onofrio Fountain