Embed Youtube gallery video (iframe) with ratio set to 16:9 using (max-width) variable. Must hold a valid VIDEO ID as parameter.
Can hold a START parameter (absolute from 0, measured in seconds) and an additional END parameter (absolute from 0, measured in seconds).
Youtube playlists must use Youtube PLAYLIST.
Container has max width 1202 and max height 700 (this is site dimension constraint set!).
Gallery is showing caption, if provided.
Galleries must be contained between Gallery START and Gallery END.