tunnels

'tunnels'

[tunnel.n.01] as in: a passageway through or under something, usually underground (especially one for trains or cars)

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Examples:
the tunnel reduced congestion at that intersection

'tunnels'

[burrow.n.01] as in: a hole made by an animal, usually for shelter

'tunnels'

[burrow.v.01] as in: move through by or as by digging

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Examples:
burrow through the forest

'tunnels'

[tunnel.v.02] as in: force a way through