Holiday beach seaside with savannah seaside ocean coast at Maremma National Park in Tuscany, Italy with the Ombrone river delta and blue water and cloud sky

national park island nature park bay coastline maremma coast alberese shore sea sandy beach delta seaside water aerial ombrone coastal castiglione nature river beach grosseto ocean horizon drone above rural flyover national countryside italy natural sand summer blue sky siena sun flight clouds blue orbit waves fly reflection italian tuscany florence