architecture: Las Vegas Sphere

Sphere (venue) - Wikipedia

The venue's exterior also features 580,000 sq ft (54,000 m2) of LED displays.
Sphere measures 366 feet (112 m) high and 516 feet (157 m) wide.

18,600-seat stadium.
$2.3 billion venue.

London is Building its Own Vegas Sphere - YouTube

Las Vegas Sphere: Inside the new 18,600 seat entertainment venue

Winter solstice 2023; WebGL Earth; Vivaldi

Vivaldi Four Seasons: Winter (L'Inverno), original version. Freivogel & Voices of Music RV 297 4K - YouTube   Vivaldi Winter! The complete concerto performed on original instruments.

Winter solstice - Wikipedia

a shortest day of the year on northern Earth hemisphere, 
and start of winter.

WebGL Earth - 3D digital globe for web and mobile devices

webglearth/webglearth2: WebGL Earth 2 - the source code of the project @GitHub

Open-source virtual planet web application running in any web browser with support for WebGL HTML5 standard. Mobile devices such as iPhone, iPad or Android based mobile phones are going to be supported too.

CesiumGS/cesium: An open-source JavaScript library for world-class 3D globes and maps :earth_americas: @GitHub

Google Earth