Ключевые слова: above, balance, chance, column, crash, danger, downfall, equilibrate, equilibrium, equipoise, fall, game, games, granite, green, hazard, jeopardy, middle, mountain, mountains, nature, on, over, pile, poise, pyramid, risk, rock, rocks, stack, stacked, stacking, stone, stones, top, tree, trees, tumble, up, upon, upper, upward, vertical,