Size Matters: Huge 'SOS Message' Spotted in 'Remote Desert' by YouTube Sleuth

The letters can apparently be viewed only from high above, and it wasn’t immediately clear who could have left the message.

Size Matters: Huge 'SOS Message' Spotted in 'Remote Desert' by YouTube Sleuth
The letters can apparently be viewed only from high above, and it wasn’t immediately clear who could have left the message.