© Istockphoto|Selvaggio Blu, Baunei, Sardegna 

© Istockphoto| Grotta Azzurra, Capri 

© Istockphoto|  Mausoleo di Galla Placidia, Ravenna 

© Istockphoto| Lago Blu, Champoluc, Valle d’Aosta

© Istockphoto|Oia, Santorini, Grecia 

© Istockphoto| Grotte Blu, Zacinto, Grecia 

© Istockphoto| Muralla Roja, Calpe, Spagna 

© Istockphoto| Chefchaouen - Marocco 

© Istockphoto| Moschea Blu – Istanbul

© Istockphoto| Chiesa Blu - Bratislava