Laguna Quilotoa
Two versions are available. The short version is one paragraph, the long version is four paragraphs. Both have photos and audio. The long version also has comprehension questions and links to other resources about Laguna Quilotoa.
[Short Version]
[Long Version]
An effective way to study is to read and listen to the short version first, and then, after you become familiar with the topic, read and listen to the longer version.