mitsuyoshi tanaka. [ speaking japanese ] >> i asked why they volunteer. he says of course they want to show the tranquillity of the castle but also the movement that must have been seen around here 400 years ago. and if you book in advance you too can borrow this armor. [ speaking japanese ] >> a very exuberant group at the castle. mongolian sumi wrestler has been promoted to its highest rank. >> terunofuji won the grand tournament ending on sunday winning 12 of 15 bouts. the 23-year-old made his professional debut in 2011. he practiced with the grand champion in the same stable who is also from mongolia. >> translator: i'll work hard to attain the highest rank of grand champion. >> he's the fifth mongolian champ. >>> here in tokyo fair summer-like weather prevails with highs reaching around 30 degrees celsius or 86 degrees fahrenheit. jonathan oh joins us now with this hour's update sorting with the u.s. southern plains. jonathan. >> hello. i don't think we'll see any type of relief at least for the next day or so because we still have this persistent we