The Emilia-Romagna mountain chalk
cliffs called Gessi and related caves on Tuesday made the UNESCO
world natural heritage list.
The Gessi, which stretch for over 10km in the E-R Apennines, are
the oldest such formations in the iconic central Italian
mountain chain, dating back some 20 million years.
Their enrollment brought to 16 the number of E-R sites on the
UNESCO rolls, and to 59 those in the whole of Italy, which has
more UNESCO sites than any other country.
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