Bicycles, cans and old beer bottles.

These were some of the objects that the diving organization expected to find at the bottom of Varberg's fortress.

The water at the moat is cloudy and it required special care not to get hurt.

- Visibility is limited and therefore we have to use our hands to find our way.

The divers are used to it, so there are no problems, but the conditions are a little different than usual, says Thommie Sylvander, representative of NAUVI Scandinavia.

See how it went for the divers in the clip above.