There are a lot of anchors that appear in the MTN video. An anchor is a symbol of strength and hope. Think about what it does with a ship-- it can hold it even when it wants to drift away. It's beautiful symbolism.
When I saw it I thought of this : The Definition and Meaning of the Anchor as a Christian Symbol
Catholic Christian symbolism in art provides a clear graphic illustration which represents people or items of religious significance. What is the definition and the meaning of the Anchor Christian Symbol? The Anchor represents an emblem of HOPE. Reference to the Anchor in the Bible
The Easton Bible Dictionary provides the following definition, meaning and emblem for the Anchor in the Bible. From Acts 27:29, 30, 40, it would appear that the Roman vessels carried several anchors, which were attached to the stern as well as to the prow. The Roman anchor, like the modern one, had two teeth or flukes. In Heb. 6:19 the word is used metaphorically for that which supports or keeps one steadfast in the time of trial or of doubt. It is an emblem of hope.
“If you fear, Put all your trust in God: that anchor holds.”