What are fossil tracks and how are they made?

Pair of low trenches run thru Malta. Are these cart (on poles)tracks made before the invention of the wheel?

• Heard that these cart tracks emerge from under the sea at one point and end at a cliff at the other end of the island, Also heard same tracks connecting to these emerge from under the sea in Sicily. Heard that these trenches were made by animal drawn carts moving on two poles before the invention of the wheel. Can you please verify?

• Answer:

  Hi Alfred. I'm Maltese, and there are cart tracks in Malta. They are called cart ruts, and some date back to Prehistory. So, in reply to your query, it is not true that there are trenches all along the island, and certainly not connecting the island to Sicly. Also, these were made / formed by wheels, which was a prehistoric invention.