What is in this image? Describe it as if you were explaining it to someone from the 15th century.

Behold, kind sirs and madams, a lively depiction of a sunny day where two younglings partake in playful ventures at the place of merriment. The setting is a barren land, marked by a vast and bright sun''s embrace and adorned lightly with stones and sparse vegetation that resembles long cactus standing upright and silent.The heart of the spectacle lies in what might seem a contraption most fantastical, akin perhaps to a woodland sprite’s abode. This structure, sturdy as an oak, stands upon wooden posts, with the top resembling the broad cap of a great mushroom or perhaps a stone mill''s grinding table. It is not for utility, but purely for jollity.On this grand frame is mounted a sliding board, a smooth and sloping plank on which the child joyously rides from the high table to the ground. Another sprite of a child ascends to these playful heights using a ladder affixed to this fanciful structure, eager to join the mirthful slide.Thus, in simple terms, this image captureth a moment of innocent delight, with younglings engaging in a pastime of sliding and climbing, enveloped by the glory of a sunlit day, far from the daily toil and squalor that oft grip our world.