Ключевые слова: 2016, 3d, abstract, alphabet, boulder, christmas, concept, concrete, construction, creativity, date, design, digit, element, figure, font, geology, gray, grey, group, hard, isolated, letter, message, mineral, natural, nature, new, number, numeral, object, rock, rocky, rough, school, set, shape, sign, solid, stone, symbol, text, textured, type, typeset, white, write, writing, xmas, year,