Archaeologists in the Netherlands uncovered a 500-year-old wooden shoe during excavations in Alkmaar, dating back to the 15th century. This discovery highlights the rich historical artifacts preserved in the region. Additionally, a new pygmy hippopotamus was born in a Virginia zoo, contributing to conservation efforts for this endangered species native to West Africa. Meanwhile, the world commemorates the 20th anniversary of the devastating Indian Ocean tsunami that tragically claimed 220,000 lives across multiple countries.