Spotted seals rest on coastal mudflat in Panjin, Liaoning(1/16)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

A spotted seal in the water is seen near the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

A spotted seal in the water is seen near the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

A spotted seal in the water is seen near the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)

Spotted seals are seen on the coastal mudflat of Sandaogou in Panjin, northeast China's Liaoning Province, March 28, 2019. Over 120 spotted seals rest here and will head back to the Pacific regions in late May. (Xinhua/Pan Yulong)