Some of the greatest acheivments of humankind have miraculously escaped the ravages of time, but they remain more susceptible than ever. Across the globe, armed conflict reduces cultural heritage sites to rubble, hurricanes and earthquakes alter the faces of cities, and the rising sea slowly creeps up coastlines.

This week the World Monuments Fund (WMF) announced the 2018 World Monuments Watch, which brings attention and resources to 25 imperiled cultural heritage sites that date from prehistory to the 20th century.