Surveying the Desert Ruins
The quest is unlocked after completing the All Hyrule, United scenario.
"A team of researchers are heading to the Gerudo region to gauge how much damage the Calamity has done to the area's ruins. Gather materials so they won't collapse in the harsh climate."
"Despite the grueling heat, the team was able to complete their survey of the Gerudo Desert without issue. Much to the relief of the Gerudo, they concluded no damage had been done to the ruins."