 They are adorned with fortified parapet walls.Each corner has a ringed pagoda.The four standing Buddhas ("pictured") are adorned with gold leaf and each Buddha image faces a direction, from north to south, stated to represent attainment of a state of nirvana; each is given a specific name, Kassapa (in Pāli, it is the name of a Buddha, the third of the five Buddhas’ of the present kalpa (the Bhaddakappa or 'Fortunate Aeon'), and the sixth of the six Buddhas prior to the historical Buddha) – south facing, Kakusandha (in (Pāli) is the name of the twenty-fifth Buddha, the first of the five Buddhas of the present kalpa, and the fourth of the seven ancient Buddhas) – north facing, Konagamana (the name of the twenty-sixth Buddha, the second of the five Buddhas of the present era, and the fifth of the seven ancient Buddhas) – east facing, and Gautama facing west.