Natural stone arch and open grotto framed by turquoise sea, Otranto, Lecce province, Salento, Apulia, Italy, Europe

photography vertical color image travel destinations travel no people outdoors day apulia italy europe salento grotto otranto lecce province cliff landscape coastline water's edge sea water clear sky sky hole rock seas ocean oceans rocks rock formations rock formation outdoor outside nobody no one no person landscapes daytime cliffs