The possibility of an invasion of trillions of giant bees in America after 200 years

In 200 years, giant insects numbering in the trillions are likely to invade America.

Experts have warned that an unusual number of large Cicada insects will engulf dozens of US states this spring.

Experts say that different types of large bees that grow separately after many years will be born together this year.

He also said that such a situation will only happen again after 221 years.