The Facebook video scam: "[SHOCKING VIDEO]Huge Python Eats Passed Out Pregnant Woman in a Brazilian park as public watch!!", which takes Facebook users to a fake Facebook website, in an attempt to trick them into sharing it or completing surveys, by promising to show them a video depicted by the image in the Facebook post, is a scam. There is no video.
The Facebook Video Scam

If you click on this Facebook post (DO NOT), you will be taken to the malicious fake Facebook website www.ns2.tembea.in.
Once on the website, the victim will be asked to complete surveys or share the same website before he/she can view the video. Now, sharing this web page will only help spread this scam to other Facebook users. And, completing the surveys will only generate revenue for the cybercriminals behind this scam.
The victim on the other hand, will not be able to view the video that they were promised, because it doesn't exist.
If you have shared this scam, remove the share Facebook post from your Timeline or Wall, because this will help stop the spreading of this scam.
This Facebook scam is similar to the following: