Irene tells us about one of the most famous squares in the world: St. Mark's Square in Venice, with its splendid and architecturally important buildings.

"Quelli che" (those who...), written and performed by the great Enzo Jannacci, lends its ironic and humoristic verses to the soundtrack of Lina Wertmüller's film,"Pasqualino Settebellezze" [Seven Beauties] starring Giancarlo Giannini, and nominated for best foreign film at the 1976 Oscars.

Water is a precious resource and is as necessary to life as the air we breathe. Take a tour of some of the most spectacular natural sources of fresh water on the planet.

It's time to put yourself to the test and see if you can answer the riddles that Marika presents in this video. An excellent way to practice and have fun.

And here are some riddles to enrich your vocabulary. Test yourself to see if you know family relationships or animals, but above all, have fun learning!

Do you want to keep testing yourself with riddles? Try to challenge your knowledge and figure out which food can be poisonous or what I use to avoid standing up. Have fun!

Here are more guessing games. Marika asks which fruit contains potassium, what we drink all year round, and where we keep our clothes. Do you know the answers?

Here's another stimulating riddle session with Marika. Let's see if you know what certain vegetables are called or what we can use when it's hot or when it's cold. Have fun!

Let's see if you know musical instruments and household furniture. But above all, do you know which fruits ripen in summer and where to go on vacation? Test yourself!

In this part, Marika's riddles are definitely all worth enjoying. Let's see if you know about summer fruits, strategy games, and where to look for the latest news!

In this session of "Guess what!" we'll see if you know the animals of the savanna, the cities and Italian food, and a strange instrument that is used when we are sick. Put yourself to the test!

Let's see if you know where I can find vitamin C or where salt comes from. You'll also find it fun to ask yourself if you know which object is used with thumb and index finger and you'll test yourself with a famous basilica.

It's time to play with riddles again! Can you recognize strange ways of measuring time or discover the ingredients that are the stars in many recipes? Put yourself to the test!

See if you can guess the items Marika describes! Understanding the clues is the first step.

Here's a new series of riddles. Do you know where the Andes or the Amazon are located? And do you know all the household appliances that are found in the house? Let's see how you do...