Complex sentence: It also shows the way of fishing life on the Amazon river, and how the locals prepare the fish for sale with salt and later on examines rubber plantations in the rainforest and how the locals make use of the natural reserves for export.
Split into simpler sentences: It also shows the way of life fishing on the Amazon River, and how the locals prepare the fish for sale with salt. Later on, the film also examines rubber plantations in the rainforest and how the locals make use of the natural reserves for export.