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Questions, comments and feedback

We have been overwhelmed by the feedback of people who went on the tours - hundreds of questions, suggestions, words of praise and constructive comments were submitted.

All the answers will be posted here - we are currently working on them! 

Until then we will leave you with some of the comments:

"We really enjoyed our visit - we were so surprised at how big it seems from inside the wall"


"Thank you - fantastic tour. Great idea to let the public see it! Well done all."

"I have been most impressed by the preparation, organisation, effort and enthusiasm of all the HDC staff"


"Excellent! Very interesting. Many thanks to the tour guides."

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