FSX strange airports

SVAS - in a hole
YXFV - supposed to be a helipad,but isnt
DGTK - strange terrain.
Picture of dgtk
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http://s30.postimg.org/bbf50qazx/2015_9_6_18_6_16_776.jpg
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Bigger version:
http://postimg.org/image/bbf50qazx/