sentences:  On the Great Feast of Pentecost it is customary to fill the church with greenery, sometimes fresh hay or grass will be spread about the floor, and the faithful often stand holding flowers during the services on this day, especially at the Vespers service on the afternoon of Pentecost Sunday.The Orthodox Church is fully conscious of the importance of the physical in general and of the human body in particular.As a result, Orthodox worship does not neglect to incorporate the body into its worship and to enlighten the worshippers through it as through any other medium.