Spain

Our experts answer readers' investing questions and write unbiased product reviews (here's how we assess investing products). Paid non-client promotion: In some cases, we receive a commission from our partners. Our opinions are always our own.

• Iberluffa is the largest company in Europe cultivating luffas.
• The luffas are grown with only natural ingredients.
• Workers harvest about 200,000 luffa vegetables every year.

A sustainable farm in northwestern Spain has perfected its method for g

• Baby eels are a delicacy in Spain.
• A single kilogram can reach thousands of dollars at auction.
• To reach just 1 kilo, fishers need to catch 3,000 eels.

Angulas are the young of the European eel.