Monuments: architectural works, works of monumental
sculpture and painting, elements or structures of an archaeological
nature, inscriptions, cave dwellings and combinations of features,
which are of outstanding universal value from the point of view of
history, art or science;
Groups of buildings: groups of separate or connected
buildings which, because of their architecture, their homogeneity
or their place in the landscape, are of outstanding universal value
from the point of view of history, art or science;
Sites: works of man or the combined works of nature and
of man, and areas including archaeological sites which are of
outstanding universal value from the historical, aesthetic,
ethnological or anthropological points of view."