DUBROVNIK, CROACIA - 10 DE ABRIL: Muchos 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

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

DUBROVNIK, CROATIA - JUNE 28, 2016: Walking street in old city Dubrovnik, Croatia in a beautiful summer day on June 28, 2016

DUBROVNIK, CROATIA - JUNE 28, 2016: Walking street in old city Dubrovnik, Croatia in beautiful summer day

DUBROVNIK, CROATIA - JUNE 28, 2016: Walking street in old city Dubrovnik, Croatia in beautiful summer day

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

Dubrovnik, Croatia, July 26, 2020: People are strolling through Stradun street in Dubrovnik, Croatia

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 11, 2015: Tourists visit the Old Town of Dubrovnik, a UNESCO's World Heritage Site

Architecture inside of old part of Dubrovnik, Stradun.

DUBROVNIK, CROATIA - APRIL 10: 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 on the main street Stradun on April 10, 2015.

Steep stairs and narrow street in old town of Dubrovnik

SPLIT, CROATIA - JANUARY 1: Tourists take a tour of the remains of palace of the Roman emperor Diocletian in Split, Croatia on January 1, 2012.

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.