gate of pena palace: the arch of the triton

architectural representing architecture allegorical romanticism remarkable meticulous halfmarine surrounded introduces enchanting sculpture halfhuman intricate symbolize symbolism mythology cathedral creation entryway portugal striking mythical artistry visitors landmark building monument archway adorned merging crafted tritons emerges natural palaces carving triton iconic palace sintra forces detail motifs worlds wonder statue facade temple church shell plant blend tower spire arch gate pena land form rich sea art