Vocabulary consisting only from characters you are able to read
空前
くうぜん
unprecedented, record-breakingmix
行われる
おこなわれる
to be done, to be practiced, to be practised, to take place, to be held, to be prevalent, to be in fashion, to be in vogue, to be current, to come into useichidan, verb
山川
さんせん; やまかわ; やまがわ
mountains and rivers; mountains and rivers; mountain riversmix