Today, we went to the real Tortuga Bay, which was a pleasant, calm bay surrounded by mangrove trees. The first time we went to Tortuga Bay, we were actually swimming in the rough pacific ocean, that apparently had a dangerous undertow. But the sand was so beautiful and soft, and the water was equally amazing. It was nice to relax in such a paradise. Again we saw Marine Iguanas everywhere.
In the afternoon we took a bus ride to the lava tunnels. The Galapagos Islands has many active volcanoes, and when volcanoes erupt the lava flows and the outer part of the stream gets cold and hardens, but the liquid magma within continues to flow. When the lava stops flowing, empty tubes are left behind. This is what happened in Santa Cruz several times, leaving an island full of lava tunnels. The tunnels are very dark, in fact when the entire group turned off all their flashlights, we were literally blind.
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