first stage of a £12.5 million capsule upgrade began. Each capsule was taken down and floated down the river to Tilbury Docks in Essex. On 2 June 2013 a passenger capsule was named the Coronation Capsule to mark the 60th anniversary of the coronation of Queen Elizabeth II. In March 2020, the London Eye celebrated its 20th birthday by turning several of its pods into experiences themed around London. The experiences included a pub in a capsule, a west end theatre pod and a garden party with flower arrangements to represent the eight London Royal parks. Ownership and branding Marks Barfield (the lead architects), The Tussauds Group, and British Airways were the original owners of the London Eye. Tussauds bought out British Airways' stake in 2005 and then Marks Barfield's stake in 2006 to become sole owner. In May 2007, the Blackstone Group purchased The Tussauds Group which was then the owner of the Eye; Tussauds was merged with Blackstone's Merlin Entertainments and disappeared as an entity. British Airways continued its brand association, but from the beginning of 2008 the name British Airways was dropped from the logo. On 12 August 2009, the London Eye saw another rebrand, this time being called "The Merlin Entertainments London Eye" to showcase Merlin Entertainments' ownership. A new logo was designed for the attraction—this time taking the form of an eye made out of London's famous landmarks. This coincided with the launch of Merlin Entertainments 4D Experience preflight show underneath the ticket centre in County Hall. The refurbished ticket hall and 4D cinema experience were designed by architect Kay Elliott working with Merlin Studios project designer Craig Sciba. Merlin Studios later appointed Simex-Iwerks as the 4D theatre hardware specialists. The film was written and directed by 3D director Julian Napier and 3D produced by Phil Streather. In January 2011, a lighting-up ceremony marked the start of a three-year deal between EDF Energy and Merlin Entertainments. On 1 August 2014 the logo was reverted to the previous version, with the name becoming simply "The London Eye". Coca-Cola began to sponsor the London Eye from January 2015. On the day the sponsorship was announced the London Eye was lit in red. In February 2020, lastminute.com replaced Coca-Cola as the sponsor. Grammy Award-winning singer Meghan Trainor performed at the launch party on a boat on the Thames overlooking the London Eye. In March 2020, the wheel was