Go towards the back wall with the canyon so Vogel fires at the 2 purple-and-silver tanks there. Use the bits still left powering to create a sprinkler, which then will cause a beautiful flower back garden to sprout. Following a several moments, the sprinkler explodes and artifact piece #6 seems. https://desertblockpuzzlefreeonli46666.ampblogs.com/5-essential-elements-for-desert-block-puzzle-strategy-guide-72611800