Spectacular restoration fails

81-year-old Spaniard Cecilia Gimenez attempted to restore a flaking century-old fresco of Jesus on her local church's wall in 2012, to amusing affect.

The mask of King Tutankhamun had its beard glued back on after it broke, leaving an embarrassing line of glue around its chin.

Ten Roman mosaics dating as far back as the 2nd century were distorted during restoration at the Hatay Archaeology Museum in Turkey.

Repair work on the medieval fortress Krakra in the western Bulgarian city of Pernik came under fire for using cheap plastic materials.