So, we don't have too many things on the agenda. Visiting Old San Juan (OSJ) and the El Yunque Rainforest.
I would also like to see a bioluminescent bay. Doing a bit of reading, I found that the bioluminescence is due to Red Mangrove trees growing near the shores. Their roots release tannins and B12, which I guess the dinoflagellates like to munch on. The size, depth and temperature of the water are in perfect balance, creating a perfect environment for the bioluminescent ecosystem. I wonder if the conditions have changed there in the last few years, with all the global warming going on. I will try to find out. I checked the moon phase and it will be optimal the whole time we are there. No moon is a good moon.
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