Israel's "Security Fence", "West Bank Barrier", is a solid wall along 5% of its length. 10 metres high and reinforced concrete.
<a href="//commons.wikimedia.org/wiki/User:Just1pin" title="User:Just1pin">Justin McIntosh</a>
CC BY 2.0
The Photographer. Originally uploaded to a <a href="//commons.wikimedia.org/w/index.php?title=File:Palestine_occupation34.jpg&amp;action=edit&amp;redlink=1" class="new" title="File:Palestine occupation34.jpg (page does not exist)">different location</a>.