At the time of research, the middle floor and its.

Hell if I want to give research time to it.

Note that the museum was closed at the time of research, though it's.

They were closed at the time of research for repairs.

Both museum and site were closed for restoration work at the time of research.

At the time of research, however, it was closed for restoration.

It was still closed for restoration at the time of research.

At the time of research, the museum was being renovated.

The museum was being renovated at the time of research.

At the time of research, it was not possible to walk, hitch or take a private car across.