Photo from Simona Murrone and the Colosseum Archaeological Park Across the street from the Colosseum in Rome, Italy, archaeologists excavated the remnants of a Roman emperor’s palace.

Renovation of the new residence for Emperor Naruhito and his family, the former Fukiage Sento Palace on the Imperial Palace grounds, has been completed and is ready for a September move-in date.

Emperor Naruhito, Empress Masako and Princess Aiko moved out of their longtime residence, the Akasaka Imperial Residence, on Sept. 6. They are moving into the renovated Imperial Palace and ...