DR. STONE - Chapter 153: War Game

So uh, while the mangaka usually gets the science right, he forgot to factor in the ethnic makeup of the USA. Specifically on the West coast which had the largest number of Chinese immigrants of any part of USA. Bamboo is used in tons of people’s back yards in California. Give it 4000 years and there will be at least 1 bamboo forest because it grows like a weed.