I have learned about the risks of filming in an unknown location.
In film, you might encounter various hazards like: Electricity, height, filming in a warzone, watching out for dangerous animals, fire and ice, pollution, radiation poisoning, etc.
You will need many resources in order to keep you save and to stay alive. Resources include a first aid kit, a fire extinguisher, safety boots, bear spray, a gun, lighting, etc.
You also need health and safety procedures like: Training, a safe pass, first aid/CPR Training, fire warden, an evacuation route or plan, fire drills, self defence training, etc.
It is also necessary to have welfare facilities and hygiene considerations such as: Toilets, hand wash area, canteen, shower facilities, transport, etc.