http://bugs.winehq.org/show_bug.cgi?id=24033
--- Comment #2 from Night Nord NightNord@gmail.com 2010-08-17 13:34:14 --- Created an attachment (id=30196) --> (http://bugs.winehq.org/attachment.cgi?id=30196) Forces going underground
Please note, that move markers (shown on shift pressed, or when clicked on ground) are also invisible in this locations. "Direction" (fly above or fall underground) of bug is random.