If you are planning on travelling distance to attractions, we would recommend that you contact the venues directly in advance to avoid disappointment.
If you, or any of your party have a new persistant cough, or develop a fever of 38C, we would instead advise you to use the NHS's dedicated website for professional advice.
The impressive remains that can still be seen are of the six massive blast furnaces. A large brick arch, which is still standing, was built to bridge the gap in the bank of furnaces. It is a sobering thought however to consider that these are just a small part of the extensive works that originally occupied this site.