sentences:  Before European settlers arrived in North America, Iroquois shamans made sacrifices of food and gifts on the islands and communed with He-No (Mighty Thunderer), the spirit who dwells in the mist-enshrouded cave at the base of the falls.Modern day psychics believe any one can hear the voices of the spirits if they listen carefully while visiting the Three Sisters Islands.Each island supports a variety of microhabitats and has its own floristic character.