Omayra Sanchez, a symbol of the Armero tragedy

Thirty years after a volcanic eruption caused a deadly mudslide and wiped out the city of Armero, Colombia is still haunted by the wide black eyes of its most iconic victim, Omayra Sanchez, a 13-year-old girl trapped in debris, who died after three days of futile efforts to save her. Today she is remembered at a small sanctuary on the spot where she died