求carpool:' O- m& d' @7 G2 o, R% B& d' N+ G
( ]! a4 O+ }" }3 p" ^, d" w6 N& H
Edmonton--->Calgary on May 18th afternoon or 19th morning . P8 B4 f( K- K# D 3 k/ S/ }0 ?% k+ y- m- ACalgary---> Edmonton on May 21st morning or afternoon. . Z9 X! j7 k. \# @2 G4 }/ n) s' U8 O! l7 t5 m