They had walked into a patch of tents that were all covered with a thick growth of shamrocks, so that it looked as though small, oddly shaped hillocks had sprouted out of the earth.
In the minor valleys, between the hillocks which diversified the contour of the vale, the fresh young ferns were luxuriantly growing up, ultimately to reach a height of five or six feet.
So if you have areas of high elevation like towering sand dunes or hills, directly next to areas of low elevation like a depression, you can get spots like this where the water table nears or even exceeds the surface.
Some of our islands are coral atolls, others are volcanic, covered with hills, ancient forests and mangroves, all with beautiful beaches bordering the crystal-clear sea, which is alive with incredible, rare marine life.
Thanks to the mitigating work that has been done and there was some heavy engineering work in terms of flattening of the land, flattening of the hills...
He'd lobbied for underground trains throughout the 1840s, but opponents thought the idea was impractical since the railroads at the time only had short tunnels under hills.