What was Lot polish airlines Doing in Vancouver (YVR)?

Question

http://www.airliners.net/photo/LOT---Polish/Ilyushin-Il-62M/0003514&tbl=photo_info&photo_nr=9&sok=continent_northamerica&sort=_order_by_views_DESC_&prev_id=0445846&next_id=0210350

Answer 1

If you look at the date it says June 1986. According to Wikipedia, Vancouver is listed under a terminated destination.

Answer 2

Thier website lists Vancouver as a departure point.

Answer 3

Sometimes planes will make an emergency landing or divert because of issues on board.  It's very possible that's what happened in this instance.