Migrant birds find their sanctuary at the Heihe Wetland National Nature Reserve in Zhangye, northwest China’s Gansu Province. 'https://cdn1.telesco.pe/file/Jtzmdj86jod2ttmMsWGAiZcZZW9rf45JL1jtzZTH_i0n447PlO2suImlZHc08p5jk_JasxL-nExk0JTC7zGBSagazWXZXFwWxIahjWpd9sS7jZW20nWrKJ-kAQjpPJJRiyJq9IA3CYR2Y7dWOdW66sLrCQK6nlFbDOhDNRJC4aHW-qf-Vi-bg0cV2ZcUp3Qvtg3vJpVBBQQt2THqKI04qb9r7RErWxozGpEepc7p090UK_pHgWiEads4umrvHD-3vMVT4xTS3ltCaIcaUqFkdU8VU7d9-CM-8e3wdlNmRk6khubzvWTfMPvUofL2ELIf05W_desNyfQfemI4vgC0iw.jpg' Source: [People's Daily China](https://t.me/PDChinaNews/13410)