This could be used as shown for offering or other transitions; or without sound while words guide vocal reading.

Insight: This video quotes the verse in Revelation, which could be a sermon theme, but the stream photos included also allude to consciousness itself and exploration of the submerged versus visible in ourselves...as well as absolution and renewal. The water and rocks shape each other and such stones could be obstacles or help (as when David searched for just the right ones to defeat the giant). The pastor may want to explain the appearance of a Greek word and how it and others meaning forgiveness are used in various references, also the role of white and black stones in ancient trials.