ðə lˈɪsbən dʒˌɪəɡɹˈæfɪk səsˈaɪəɾi mˈænɪdʒd tə ɹᵻstˈoːɹ ɪnðə twˈɛntiəθ sˈɛntʃɚɹi θɹˈiː ɪɹˈɛktᵻd baɪ dɪˈoʊɡoʊ kˈaʊ ænd wˈʌn baɪ bˈɑːɹɾəlˌoʊmuː dˈaɪəz.
The Lisbon Geographic Society managed to restore in the 20th century three  erected by Diogo Cão and one by Bartolomeu Dias.