@article{2ndplacesolutiontogooglelandmark1,
  title = {2nd Place Solution to Google Landmark Retrieval 2021},
  author = {Zhang Yuqi and Xu Xianzhe and Chen Weihua and Wang Yaohua and Zhang Fangyi and Wang Fan and Li Hao},
  year = {2021},
  eprint = {2110.04294},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.04294v1},
}