Lag when landing

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Brief description of the issue:
Is this happening just to me?

When i land and im about 1000ft above the airport i get massive fps drops for like 30 seconds then it kind of gets better. I dont know what is causing this, anyone happening same thing?
Provide Screenshot(s)/video(s) of the issue encountered:

Detail steps to reproduce the issue encountered:

PC specs for those who want to assist (if not entered in your profile)
gtx1660 super
16gb ram

Did you submit this to Zendesk? If so, what is your ticket #?