"I think I would, too," said Greta. "These rooms are so large and the ceilings are so high that it wouldn't seem like a home at all."

In one part of the castle there were two large halls, where the Parliament meets. One hall was for the House of Commons and the other was for the Upper House. Parliament did not meet during the summer, so Greta and Anna were allowed to visit both these stately halls. Greta thought they had seen everything in Christiansborg, when Anna suddenly announced, "We're going downstairs now, Greta. The most interesting part of Christiansborg is under the ground."

They went down a narrow stairway and carefully made their way through a dark, underground passage. Soon they came to a scattered heap of stones that marked the outlines of an old, old castle.

"This is the very first castle that was built here," explained Anna. "It was built by Bishop Absalon in 1167, when Copenhagen was just a little fishing village. Here is the old well that has been used for hundreds of years," she said as they walked on farther, "and here is a part of the Blue Tower where Princess Leonora Christina was kept a prisoner for many years."

"Oh, how could they keep anyone in such a terrible dungeon?" asked Greta, who shivered at the thought of spending even an hour in this gloomy place. "Let's go upstairs, Anna."

"All right," agreed Anna. "I wonder how Chouse and the guard have been getting along."

The guard looked extremely worried when the girls appeared. Chouse was nowhere in sight.

"I turned my back for just a minute," he said, "but when I turned around again your little dog was gone. He must have run outside, for you can see that he isn't here in the entrance hall."