pepino is one of the three main characters of the bolivian carnival season and represents joy. the annual unearthing parade of the pepino begins at the general cemetery and continues through the streets of la paz, showcasing the country's rich folklore and history. a painting has been found after hiding for centuries under another painting. researchers in cyprus discovered the hidden portrait under an oil painting by 16th century renaissance master titian. cnn's nick valencia explains how they found it. >> this work of art. >> has been. >> hidden for more than 400 years. >> the portrait. >> created by renaissance master. >> titian, remained. >> undetected beneath another. painting since the 1570s. >> it was like uncovering. >> a puzzle. >> we said, okay, maybe this is a part of something. and then the artist changed his mind. but then once we start to realize that there is a complete work underneath, we became extremely excited, happy and intrigued also. >> the newly discovered portrait depicts an unidentified. man bearing. >> a thin mustache, aquiline hand, and standing beside