SPLIT, CROACIA - 1 DE ENERO: Los turistas hacen un recorrido por los restos del palacio del emperador romano Diocleciano en Split, Croacia el 1 de enero de 2012 . - Foto e imágenes de stock

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.

Inside of ancient Diocletian's Palace in adriatic Croatian city od Split.

KOTOR, MONTENEGRO - JUNE 18: People walking on old town street at rainy day at June 18, 2014 in Kotor, Montenegro

VENICE, ITALY 2 JULY 2020: Tourists walk in Venice street

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.

ZADAR, CROATIA - JULY 28, 2015: Many tourists visiting Zadar during the summer months

ZADAR, CROATIA - JULY 28, 2015: Center of the old town of Zadar, 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

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

ZADAR, CROATIA - JULY 28, 2015: The remains of the ancient Romans in Zadar. Pillar of torture in Zadar.