Complex sentence: The terminal is, which is bigger than the old terminal.It will have 3 baggage carousels and 5 gates, which dont have airbridges so passengers will have to walk into the terminal.
Split into simpler sentences: The terminal is, which is bigger than the old terminal. It has 3 baggage carousels and will have 5 gates, which dont have airbridges so passengers will have to walk into the terminal.