Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: A Chinese scheme to build an east-west railway across South America, cutting across parts of the Amazon rain forest, has moved a step closer after Peru agreed to study the proposal.

China, Peru and Brazil mull Amazon railway