(https://i.imgur.com/ejRzHsh.jpeg)
Where verdant growths sprout among the otherwise arid waste. These carvings have begun to appear, carved into rocks and cavern walls by a skilled hand.
They depict a barren tree rising from the sands, baring its first leaves to the sun. It stands surrounded by many strange, seemingly random and incomprehensible symbols.
One with a keen mind, or familiar with the ways of the wild. Might uncover the symbols can be overlapped to form a sentence in an hidden language.
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A druid or character able to decipher druidic would be able to put together the following phrase:
"From the barren waste shall rise a garden.
Seek the keepers of al-Hadiqah."