DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: A general view of Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, during Tourism Week, which includes a period for people entering free of charge, in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People swim in an ancient thermal pool in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People swim in an ancient thermal pool in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People swim in an ancient thermal pool in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: A woman poses for a photo with a parrot in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: A woman poses for a photo with a parrot in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in an ancient thermal pool in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People walk in an ancient thermal pool in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )
DENIZLI, TURKEY - APRIL 17: People swim in an ancient thermal pool in Hierapolis-Pamukkale, included in the UNESCO World Heritage Site, after entering free of charge due to the Tourism Week in Denizli, Turkey on April 17, 2019. Approximately 15 thousands people visited the Pamukkale site in three hours. ( Mahmut Serdar Alakuş - Anadolu Agency )