sentences:  The cupola contains canvas painted in 1966 by the 20th-century artist Raúl Soldi during renovation work.In recent years, given the political and economic circumstances of Argentina, the Teatro Colón has suffered considerably, but a period of slow recovery began.The theatre underwent massive phased remodelling of both interior and exterior, initially while the house was still open, but production activities ceased at the end of December 2006 to allow full refurbishment.