Dr. James Logan, an entomologist, studies mosquitoes from around the world in an effort to make them less dangerous, NPR reports.
The London School of Hygiene and Tropical Medicine keeps them in a cavern beneath the streets of London. The bowls contain mosquito larvae in water, while the boxes are where the adults live.
To visit the school, you have to go through a sliding glass door into the London School of Hygiene and Tropical Medicine. This school started as a hospital on the Thames River, where doctors treated sailors returning from faraway places with strange parasites.
Today, the building holds countless exotic diseases that you hope you'll never catch. The mosquitoes carry just a few of them, and their keeper is an entomologist named Dr. James Logan.
For example, the article noted that clear plastic boxes line the walls, each one holding hundreds of mosquitoes. Some are from Pakistan, others from Tanzania. There are mosquitoes that can carry West Nile virus and dengue fever.
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Source: NPR