(2nd LD) (Olympics) Swimmer Park Tae-hwan gets in 1st practice in Rio

(ATTN: CHANGES photo; UPDATES throughout with evening practice, comments)By Yoo Jee-ho

RIO DE JANEIRO, Aug. 1 (Yonhap) -- South Korean swimmer Park Tae-hwan on Monday got in his first pre-Olympic training in Rio de Janeiro, where he'll attempt to wi