The Mayon volcano spews ash during a phreatic eruption on Sunday. PHOTOS BY RETIRED POLICE COL. ROLLY ESGUERRAThe Mayon volcano spews ash during a phreatic eruption on Sunday. PHOTOS BY RETIRED POLICE COL. ROLLY ESGUERRAThe Mayon volcano spews ash during a phreatic eruption on Sunday. PHOTOS BY RETIRED POLICE COL. ROLLY ESGUERRAThe Mayon volcano spews ash during a phreatic eruption on Sunday. PHOTOS BY RETIRED POLICE COL. ROLLY ESGUERRA