Over the past year, RTÉ News has shone a light on some of Ireland's most inspiring teenagers in our 'Quaran-teen' series of reports.
Twelve remarkable young people told us about their experiences as the pandemic continued to upend their lives. As we come to the end of 2021, we caught up with three of them.
In April, 18-year-old Elizabeth Zion shared her story of how she was helping children in emergency accommodation with their reading and writing skills.
Her own family had gone through homelessness in 2018 and Elizabeth said the experience had made her determined "to change the world".