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In 2011, a homeless man dived off the O'Connell Bridge into the the River Liffey to save his pet rabbit from drowning. Hundreds witnessed this occurrence and he became an instant celebrity. While most people don't swim in it - or dive into it - the Liffey is a well-loved waterway in Dublin. It flows east-west right through the center of the city and is lined with Quays, providing a lovely waterfront to walk along. On nice days, rowboats populate the river.