Why is there lighting and temperature low in some rooms of the museum?

Why is there lighting and temperature low in some rooms of the museum?

In some rooms the lighting and temperature are low. We have done this to ensure the colours of the works are not altered, or in some cases, ensure they do not fade, and we maintain stable temperature and humidity conditions to conserve the works being exhibited. Thank you for your collaboration. In addition, all these measures are taken with maximum respect for the environment. Together we can protect our heritage.