Geometrical figures are naturally more beautiful than irregular ones : the square, the circle are the most beautiful, next the parallelogram and the oval. There are only two beautiful positions of ...

What really happened in Tiananmen Square in 1989? It has been over 33 years since hundreds if not thousands of unarmed peaceful pro-democracy protesters were killed in Beijing and the arrest of tens ...

But patterns are also created by combining monochrome tiles, often in more complex shapes such as parallelograms, hexagons and so on. Until the Second World War, cement tiles largely marked the realm ...