A guy ordered a knife online. On the gift card he asked for a joke. The joke they sent was something really cute and funny.
This is an optical illusion that tricks you into thinking the castle wall is rotating when it is actually crisscrossing.
Center-pivot irrigation systems are widely used in desert and remote areas especially the ones far away from nearest on-land water source. First invented in 1940, this method of irrigation is still proven to be efficient yielding optimum crop with minimal water usages.