Transfer towards the back wall with the canyon so Vogel fires on the two crimson-and-silver tanks there. Make use of the bits left behind to develop a sprinkler, which then leads to a beautiful flower garden to sprout. After a few moments, the sprinkler explodes and artifact piece #6 appears. https://miloesgse.blognody.com/39268300/fun-desert-block-puzzle-game-an-overview