Florentine painting painters are drawn together. The rounded forms and luminous colours of Perugino, the lifelike portraiture of Ghirlandaio, the realism and lighting of Leonardo and the powerful draughtsmanship of Michelangelo became unified in the paintings of Raphael. In his short life he executed a number of large altarpieces, an impressive Classical fresco of the sea nymph, Galatea, outstanding portraits with two popes and a famous writer among them, and, while Michelangelo was painting the Sistine Chapel ceiling, a series of wall frescoes in the Vatican chambers nearby, of which "the School of Athens" is uniquely significant. This fresco depicts a meeting
Restoration of the Sistine Chapel frescoes the summer and winter months so that changes to the atmospheric environment occur gradually. The air near the ceiling is kept at a temperate level, while the air in the lower section of the building is cooler and circulates more rapidly, with the effect that dirt particles fall towards the floor rather than being streamed upwards. Bacteria and chemical pollutants are filtered out. Environmental specifications: When the restoration of the Sistine Chapel was announced, it sparked a barrage of queries and objections from art historians around the world. One of the most vocal of these critics was James Beck, of