Mood: The mood of the video appears to be devotional and spiritual, with a sense of reverence and calmness. The theme seems to be centered around Lord Shiva, given the presence of the Shiv Ling and the title 'SHIVOHAM', which is a Sanskrit mantra meaning 'I am Shiva'. The overall emotion evoked is one of serenity and piety.

Environment: The setting of the video seems to be a dark, mystical temple or a sacred place, likely at night. The presence of the large Shiv Ling, a symbolic representation of Lord Shiva, and the statues in the background suggest a Hindu temple or a similar spiritual environment. The dim lighting and the stone structure contribute to an atmosphere of solemnity and religious significance.