Yukio and his brother Yukitaka went to the United States in 1888 .
Yukio could not endure the temperature extremes and could not sleep in the heat of New York City and Washington , D.C.
Yukio and his brother Yukitaka went to the United States in 1888 but Ozaki could not endure the temperature extremes and could not sleep in the heat of New York City and Washington , D.C.