Question: Disney Illuminations is a nighttime spectacular at a theme park spanning how many ha?

Context articles: Once Upon a Time (Disney parks)
IllumiNations: Reflections of Earth
Magical: Disney's New Nighttime Spectacular of Magical Celebrations
Dorsey Knob
Disneyland Forever
Disney Illuminations
Tokyo DisneySea
Disneyland Park (Paris)
Ignite the Dream, A Nighttime Spectacular of Magic and Light
Disney Dreams!

Once Upon a Time is a nighttime spectacular at Tokyo Disneyland and Magic Kingdom.
 Similar to "Celebrate the Magic" and "Disney Dreams!
", the Tokyo show premiered on May 29, 2014, and utilizes fireworks, lasers, fire, projection mapping, and searchlights during the 19-minute presentation.
 The Magic Kingdom version is shorter and excludes the use of fire and lasers.
IllumiNations: Reflections of Earth is a nighttime show performed nightly at Epcot at the Walt Disney World Resort in Bay Lake, Florida.
 The show utilizes fireworks, pyrotechnics, water fountains, fire effects, lasers, and searchlights to create a visual production on the park's World Showcase Lagoon.
 It premiered on October 1, 1999 as IllumiNations 2000: Reflections of Earth as part of the Walt Disney World Millennium Celebration; it was so successful that after the celebration ended the "2000" was dropped from the name and the show was continued.
Magical: Disney's New Nighttime Spectacular of Magical Celebrations
Dorsey Knob is a mountain summit located off U.S. Route 119 at the southern edge of Morgantown in Monongalia County, West Virginia, United States.
 Dorsey Knob is contained within a park spanning 71 acres (29 ha) that features the mountain's landmark Sky Rock (also referred to as Dorsey Knob).
 The top of Sky Rock is at an altitude of 1398 ft , rising nearly 600 feet (180 m) above the surrounding landscape.
 It overlooks the Monongahela River and the Appalachian Mountains.
 Also located in the park is Dorsey's Knob Lodge, operated by Boparc, Morgantown's municipal park authority.
Disneyland Forever was a nighttime spectacular at Disneyland that premiered alongside the "Paint the Night" parade and "World of Color—Celebrate!
" on May 21, 2015 as part of the park's 60th anniversary celebration.
 The show was produced by Walt Disney Creative Entertainment, under direction of Steve Davison.
 "Disneyland Forever" incorporates fireworks, projection mapping, fire, lasers, and searchlights to depict scenes from Disney films.
 The show closed on September 5th, 2016 as the Diamond Celebration concluded along with World of Color Celebrate.
 The shows exit song "A Kiss Goodnight" would be later be released on CD with a book bearing the songs name.
Disney Illuminations is a nighttime spectacular at Disneyland Park in Disneyland Paris.
 It opened to celebrate the 25th anniversary of the park and is based on the Ignite the Dream, A Nighttime Spectacular of Magic and Light at Shanghai Disneyland Park.
 The show features projection mapping onto the park's castle, fireworks, water fountains, fire, music, lasers, searchlights, mist screens and other special effects.
Tokyo DisneySea (東京ディズニーシー , Tōkyō DizunīShī ) is a 176 acre theme park at the Tokyo Disney Resort located in Urayasu, Chiba, Japan, just outside Tokyo.
 It opened on 4 September 2001, at a cost of 335 billion yen.
 Owned by The Oriental Land Company, which licenses Disney characters and themes from The Walt Disney Company, Tokyo DisneySea attracted an estimated 11 million visitors in 2016, making it the sixth-most-visited theme park in the world.
 Tokyo DisneySea was the second theme park to open at the Tokyo Disney Resort and the ninth park of the twelve worldwide Disney theme parks to open.
 Tokyo DisneySea was the fastest theme park in the world to reach the milestone of 10 million guests, having done so in 307 days after its grand opening.
 The previous record-holder was Universal Studios Japan 338 days after its opening.
Disneyland Park, originally Euro Disney, is a theme park found at Disneyland Paris in Marne-la-Vallée, France.
 The park opened on 12 April 1992 as the first of the two parks built at the resort.
 Designed and built by Walt Disney Imagineering, its layout and attractions are similar to Disneyland Park in Anaheim, California and Magic Kingdom at Walt Disney World in Bay Lake, Florida.
 Spanning 56.656 ha (the second largest Disney park based on the original, after Shanghai Disneyland Park), it is dedicated to fairy tales and Disney characters.
 In 2016, the park hosted approximately 8.4 million visitors, making it the most-visited theme park in Europe, and the 13th-most visited theme park in the world.
Ignite the Dream, A Nighttime Spectacular of Magic and Light
Disney Dreams!
 was a nighttime spectacular at Disneyland Park in Disneyland Paris.
 It was designed specially for the 20th anniversary of the park and ran until 24 March 2017 after which it was replaced by "Disney Illuminations".
 Conceived by "World of Color" creator Steve Davison, the show features projection mapping onto the park's castle, fireworks, water fountains, fire, music, lasers, searchlights, mist screens and other special effects.
 Since spring 2011, Dreams began testing with original projector animations but, in late 2011, some scenes that were tested in early 2011 were deleted and others were changed.
 Using the technique of projection mapping, the castle can be visually transformed in numerous ways such as shrinking, spinning and turrets flipping.