@article{2ndplacesolutiontogooglelandmark,
  title = {2nd Place Solution to Google Landmark Recognition Competition 2021},
  author = {Shubin Dai},
  year = {2021},
  eprint = {2110.02638},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.02638v2},
}