A woman walks through the "Whispers" installation by the Light Society during a preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

A woman walks through the "Whispers" installation by the Light Society during a preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

People watch as the facade of the National Museum of Singapore is lit up as part of an artwork called "Keep Dreaming" by the Spectaculaires during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

People watch as the facade of the National Museum of Singapore is lit up as part of an artwork called "Keep Dreaming" by the Spectaculaires during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

A woman stands in front of the Armenian Church as its facade is lit up by a display entitled "S.C. U.L.P.T" by Yann Nguema during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

A man walks past the "Disco Walkway" installation by the Aux Media Group during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

A man walks past the "Symbiote" installation by LiteWerkz during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

A woman walks inside the "Symbiote" installation by LiteWerkz during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

A woman takes a photo of the CHIJMES building as it is lit up by a display titled "Waves of Time" by Chips & Toon during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

A woman poses in the installation titled "In:Sight" by Tran Tuan Cong, Alison Poon and the Sansys Collective during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

Women use their mobile phone as they stand under the crowd-sourced digital installation titled "Project:Dome - OCISLY" by Lawrence Loh and Sebastien Jurkowski during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

Women use their mobile phones as they stand under the installation titled "Project:Dome - The Land Above" by STATE SENSOR during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

TOPSHOT - Women use their mobile phone as they stand under the crowd-sourced digital installation titled "Project:Dome - OCISLY" by Lawrence Loh and Sebastien Jurkowski during the Night Lights preview ahead of the upcoming Singapore Night Festival in Singapore on August 21, 2019. (Photo by Roslan RAHMAN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION