curvature of the earth

Why do total solar eclipses occur more frequently in the Northern Hemisphere than in the Southern Hemisphere?
Every location on Earth is in the shadow of at least one total solar eclipse, but some places experience more of these events than others.
Experiment to prove 'Flat Earth' in the 19th century by British writer
British writer Samuel Rowbotham once conducted the 'Flat Earth' experiment at Old Bedford River, the water channel ran straight and unobstructed for nearly 10 km.