Embedded clauses

How would you break these sentence up into clauses? Are there any embedded clauses?

'Allow pedestrians and animals space to nagivate between the trees.'
'You should not overtake other runners while in these areas.'
'Make sure you can stop at the parking-space you can see to be available.'
'Show me your stamp album.'
'Reduce your speed at approaches to corners, which can be trickier than they appear, and at roundabouts and junctions which may be blocked from view'.

Your comments would be appreciated, in particular with regard to the embedded clauses.

Confused