When Francis I. ascended the throne, the Louvre regained all its importance as a royal residence. The king began by pulling down the Big Tower, constructed by Philip Augustus, which cast its shadow over the whole of the palace, and gave it the look of a prison. Twelve years later (1539), when the Emperor Charles V. visited Paris, Francis I. determined to receive him, not in the Hôtel des Tournelles, where he was living at the time, but in the old palace of the French kings. He undertook various repairs, and covered the crumbling walls with paintings and tapestry. Everything, too, was regilt, "even," says a chronicler, "to the weather-cocks." Finally the space comprised between the river and the moat of the castle was laid out in lists for tournaments. [Illustration: THE OLD LOUVRE (PIERRE LESCOT'S FAÇADE).] After spending large sums of money in repairing the Louvre, Francis I. decided to reconstruct it on a new plan, so as to get rid altogether of the irregularity of the old buildings, with their Gothic architecture. The work of reconstructing the Louvre was entrusted to the Italian architect Serlio. But his plan was laid aside in favour of one presented by Pierre Lescot, who, in spite of his French name, was, like Serlio, of Italian origin. He belonged to the Alessi family; and Serlio was so pleased with his designs that he at once pressed the king to accept them. Lescot associated with himself the graceful, ingenious sculptor Jean Goujon, who, like every French artist of the time, had formed his style in Italy; and the Italian sculptor Trebatti, a pupil of Michel Angelo, who possessed more force than belonged to Jean Goujon. To these illustrious men is due the admirable façade of the west in the courtyard of the Louvre. Great progress was made with the reconstruction of the Louvre under the reign of Henri II., who, while the works were going on at the ancient palace, lived at the Hôtel des Tournelles. It was to this residence that he was carried home to die after being mortally wounded by Montgomery, of the Scottish guard, in the fatal tournament of the Place Royale. Henri's successor, Francis II., would not live in a place associated with such a tragic incident, and took up his residence at the Louvre.