A large tortoise with a dark, domed shell and rough, scaly legs rests on grass near a dirt path—an unforgettable sight for any Ecuador school trip.

A large tortoise with a dark, domed shell and rough, scaly legs rests on grass near a dirt path—an unforgettable sight for any Ecuador school trip.

A large tortoise with a dark, domed shell and rough, scaly legs rests on grass near a dirt path—an unforgettable sight for any Ecuador school trip.

A large tortoise with a dark, domed shell and rough, scaly legs rests on grass near a dirt path—an unforgettable sight for any Ecuador school trip.