The video captures one or more otters gracefully swimming in a large, clear-sided pool, likely within an aquarium or research facility. The water has a striking greenish-yellow hue, which, combined with bright overhead lighting, creates dynamic reflections and shimmering patterns across the surface. The otters exhibit fluid movements, gliding, turning, and briefly diving underwater. The enclosure's clear glass allows for an unobstructed view of the aquatic animals. In the background, a modern building with large windows and a concrete structure are visible. Blurred figures of people can be seen moving behind the enclosure. A prominent sign is discernible, displaying "GEOMAR Helmholtz-Zentrum für Ozeanforschung," indicating the facility's identity. The overall setting is brightly lit, suggesting it is daytime under sunny conditions. The environment appears clean and well-maintained. The location is Kiel, Germany.