CHILLING out

Diriyah deploys outdoor cooling tech against Riyadh’s blazing heat

The project uses new high-tech systems in the city's historic district along with reflective materials, tree planting and traditional architectural techniques

Sha Dati/Xinhua via Getty Images

Diriyah is located a short drive from Riyadh's city center

Saudi Arabia’s flagship gigaproject Diriyah Gate is rolling out outdoor air-conditioning and a suite of other cooling measures to keep its public spaces near 28 C (82 F) during Riyadh’s searing summer months.

The scheme pairs high-tech systems...