There were giants in the earth in those days; Genesis 6:4
"For example, researchers discovered pigment molecules within dinosaur eggs that give the eggs a greenish-blue color. Contrary to
what most museums and textbooks teach, the green dinosaur eggs were not completely mineralized. But more importantly, even though pigments are tough biochemicals and able to last a long time, they contain chemical features that are prone to reaction and degredation. How could color pigments persist in dinosaur egg shells unless they are thousands, not millions, of years old? ICR
"For example, researchers discovered pigment molecules within dinosaur eggs that give the eggs a greenish-blue color. Contrary to
