This experience is often annoying and disappointing for tourists, with one recent analysis of 18,000 reviews deeming the Renaissance portrait “the world’s most disappointing masterpiece.” 

Da Vinci’s iconic image of an almost-smiling woman is protected by bullet-proof, anti-reflective glass, along with tightly-controlled temperature and humidity settings to ensure the painting’s conservation.

In an effort to remedy this situation, the Mona Lisamay be moved to an underground chamber, according to a report in The TelegraphTuesday.