[2] Gormley describes his statues as "...showing solitary figures installed in groups yet retaining their sense of solitude and reflection.

[5] The 2012 installation in São Paulo[8] and the 2015–16 show in Hong Kong are the same as the London design, presented by British Council partnered with K11 Art Foundation.

[9] Critic Howard Halle said of it that "Using distance and attendant shifts of scale within the very fabric of the city, [Event Horizon] creates a metaphor for urban life and all the contradictory associations – alienation, ambition, anonymity, fame – it entails.

[10][11][12][13] The installation's display at Chater House in Hong Kong was cancelled when US investment bank JPMorgan, which has offices in the 30-storey skyscraper, asked its landlord, Hongkong Land – the sponsor of Event Horizon – to cancel its support for the show after bank employee Dennis Li Junjie jumped to his death from the building's roof in 2014.

"[5] Of the New York site he said that "Within the condensed environment of Manhattan's topography, the level of tension between the palpable, the perceivable and the imaginable is heightened because of the density and scale of the buildings" and that in this context, the project should "activate the skyline in order to encourage people to look around.