The photo shows children laying flowers in front of the Martyrs Memorial Tower at the Hunan Martyrs Park, Changsha. As the Qingming Festival approaches, people from all walks of life have come to the park to pay their respects to martyrs by paying a silent tribute, laying flowers, and visiting an exhibition hall. (Photo/Tian Chao, Hunan Daily)

The photo shows residents paying a silent tribute to martyrs in front of the Martyrs Memorial Tower at the Hunan Martyrs Park, Changsha. As the Qingming Festival approaches, people from all walks of life have come to the park to pay their respects to martyrs by paying a silent tribute, laying flowers, and visiting an exhibition hall. (Photo/Tian Chao, Hunan Daily)

The photo shows residents visiting the Martyrs Memorial Tower at the Hunan Martyrs Park, Changsha. As the Qingming Festival approaches, people from all walks of life have come to the park to pay their respects to martyrs by paying a silent tribute, laying flowers, and visiting an exhibition hall. (Photo/Tian Chao, Hunan Daily)

The photo shows children laying flowers in front of the Martyrs Memorial Tower at the Hunan Martyrs Park, Changsha. As the Qingming Festival approaches, people from all walks of life have come to the park to pay their respects to martyrs by paying a silent tribute, laying flowers, and visiting an exhibition hall. (Photo/Tian Chao, Hunan Daily)

The photo shows children laying flowers in front of the Martyrs Memorial Tower at the Hunan Martyrs Park, Changsha. As the Qingming Festival approaches, people from all walks of life have come to the park to pay their respects to martyrs by paying a silent tribute, laying flowers, and visiting an exhibition hall. (Photo/Tian Chao, Hunan Daily)

The photo shows children laying flowers in front of the Martyrs Memorial Tower at the Hunan Martyrs Park, Changsha. As the Qingming Festival approaches, people from all walks of life have come to the park to pay their respects to martyrs by paying a silent tribute, laying flowers, and visiting an exhibition hall. (Photo/Tian Chao, Hunan Daily)