Figure 2. (Left photo) Location of Callao Cave in north of Luzon Island, Philippines, which has never been accessible by foot from the Asian continent during the Quaternary epoch (medium gray and light gray tones indicate the extension of the emerged lands at lower sea levels of 50 and 120 m respectively). (Right photo) View of the excavations of Callao Cave in 2011. Source: A new species of Homo from the Late Pleistocene of the Philippines, Nature, 2019

Figure 2. (Left photo) Location of Callao Cave in north of Luzon Island, Philippines, which has never been accessible by foot from the Asian continent during the Quaternary epoch (medium gray and light gray tones indicate the extension of the emerged lands at lower sea levels of 50 and 120 m respectively). (Right photo) View of the excavations of Callao Cave in 2011. Source: A new species of Homo from the Late Pleistocene of the Philippines, Nature, 2019