Yesterday's vacation, there was not much that could be done apart from doing activities at home because of this Covid pandemic situation, always appearing to look for new things in one day to refresh the mind so that it is not boring. Incidentally I walked and passed a fresh fish seller shop whose fish came from within and from outside the country. The friendly seller made me feel more at home talking about how to keep fresh fish in a glass aquarium, especially with the presence of live plants in the water that require special attention so that the aquatic plants don't die. There are also plants that have been formed but do not live as decoration in an aquarium such as in the Amazon forest which is famous for its unique forests. Various kinds of fish and even crabs can be kept in an aquarium which gives a sense of its own sensation. This is extraordinary.