Earlier this week, a mysterious, giant aquatic installation appeared in the windows of a disused building in a residential area of Liverpool. Leaving passers by astounded, the surprise addition to the Liverpool street is the work of artist duo Walter Hugo & Zoniel, whose project is to coincide with the Liverpool Biennial, opening 5th July. On the 26th June, footage captured from behind the tank will be live streamed to the glass frontage of Gazelli Art House, creating a virtual imitation of the aquatic display and mesmerising the passers by of Mayfair.