Embark on a relaxing cruise along the Xin'an River on the fourth day. Enjoy the scenic beauty of the river as you sail past lush green hills, ancient villages, and traditional Chinese countryside. Take in the peaceful atmosphere and listen to the stories and legends associated with the river. You can also try your hand at fishing or simply sit back and enjoy the serenity. In the evening, indulge in a delicious seafood feast at one of the riverside restaurants.