https://www.freepik.com/

Accidentally found them on the web. Your thoughts?

But wait, i need to grab a popcorn:) Just kiddin'

Do a forum search, they have come up a lot of times, usually for their staff ripping off contributors on SS.

I think the name says it all. 

Guys, thanks for your opinions!

https://www.microstockgroup.com/general-stock-discussion/poll-on-freepik-(name-just-speaks-for-itself)

I wouldn't send my work there, but if you search thorough their collection, there is a lot of high quality contents there.