The time she last talked with her family, Sierra was planning on January 21 to see theGalataBridge and visit the Asian side of Istanbul, her husband said.
Before she went missing, Sierra, the mother of two, had been in regular contact with her family and friends, and told relatives she planned to take photographs at theGalataBridge a tourist landmark that spans the Golden Horn waterway and is lined with fishermen.
Sierra was in regular contact with friends and relatives during the trip and had told them she would visit GalataBridge, which spans Istanbul's Golden Horn waterway, to take photos.