This practice is known as master scene technique.
Explanation:
A method of capturing footage to construct a scene in which the action is photographed multiple times with a variety of different shot types and angles. This approach allows the editor to construct the scene using the particular viewpoint that is best suited for each dramatic moment.
This technique helps in the best presentation of the scene on the screen when it watched by the audience. This technique fulfills all the errors in the cinematic presentation and gives the perfect presentation on the screen.
Expensive. Exploitation of aboriginals and natural resources. Racism, abuse and marginalization.
There's lot of challenges when it comes to keeping an animal in captivity, or rather in the zoological settings. All animals have different needs and behaviors, as well as sizes and mating rituals.
In order for an enclosure to be perfectly set so that the animal can feel good and be able to perform its normal activities, there has to be taken all things in consideration. The size of the enclosure, what should be in the enclosure, the temperature, water, humidity, vegetation, stimulation for activity. Also, for some species the mating in captivity is extremely hard process, so very careful and detailed approach should be in place, the pandas being a perfect example of this.