Hornblower Niagara cruises, are organized boat tours within the river to explore Niagara Falls, tourists take in at different times, during the day to contemplate the beauty of the waterfall, and at night to watch the fireworks in the sky, if any, or the city lights sparkling on the bank, before setting off on board the boats In the large open spaces, a light red plastic cover is distributed to the participants, to protect them from the water spray flying from the waterfalls.