CultureEssayHistoryJapanese traditionScienceUncorrected Toru Feb 08, 2016Jan 07, 2024 1.7 billion, 217 million dollars, 22.5 billion yen, 25.5 billion, Germany, high visibility, international standards, inverted triangle shape, Japan, Japanese government, octagon shape, roads, stop sign, Tokyo Olympic Stop Signs in Japan According to the international standards, a stop sign has an octagon shape, but it has an inverted triangle shape in Read More