Vocabulary consisting only from characters you are able to read
上る
noboru
(1)to rise, to go up, to come up, to ascend, to be raised, (2)to enter (esp. from outdoors), to come in, to go in, (3)to enter (a school), to advance to the next grade, (4)to get out (of water), t godan, jlpt3, verb, vintrans
地下道
čikadou
subterranean tunnelmix
空前
kuuzen
unprecedented, record-breakingmix
生水
namamizu
unboiled watermix
~中
~čuu
in (the middle of), within, during, whilejlpt5