The desert floor below, backed by mountains that ring the valley, spreads far into the distance. The wall faces northeast and southwest. A viewer is positioned as if to split the difference ...

The theme for Desert X AlUla 2024 – on until 23 March, the latest land art exhibition from the California-founded Desert X organisation – is making the invisible visible, with the title ‘In the ...

The valley is located in AlUla, a craggy desert region long known for its Petra-like rock tombs and more recently for its Desert X AlUla contemporary-art biennial.