Japan has a high-tech toilet that can analyze your urine and give you health advice.
The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.
Tennis is also popular in Japan, with several Japanese players competing at the highest level of the sport, including Naomi Osaka and Kei Nishikori.
