the first foundation stone was laid by the emperor of byzantium, justinian himself.he supports were made of limestone blocks filled with lead and secured with iron strips. parphyry and marble columns were installed. thanks to forty arched windows, the building feels as if it is floating. in the air, marble, gold and silver, ivory, and precious stones were used to decorate the interiors. for a thousand years, this cathedral was considered the largest and most important christian temple. after st. peter's cathedral appeared in rome, and constantinople was captured by the ottoman turks. hagia sophia was plundered and turned into a mosque. in the last century, a museum was opened here, but 3 years ago the cathedral again became the hagia sophia mosque. december 27, 1831. from the british port of devinport , the beagle ship set sail around the world to map the shores of south america and draw up sea charts. but it was the young naturalist on board, charles darwin, who brought worldwide fame to the voyage. the voyage lasted for 5 years. he became a major scientist, the fou