 Complete the following phrase:  In 2014 Zdravkova partnered with Christopher Davis. Together they won the 201415 Bulgarian junior ice dance title. In 2015, Davis sustained a serious shoulder injury for which he underwent keyhole surgery in the USA. Post surgery, a significant recovery and rehab period was required away from the ice. The surgery was not successful, and the injury returned early in the 201617 season. A second surgery was conducted in Bulgaria in 2016 and was successful at abating any further problems. Starting in 2016 Zdravkova and Davis were coached solely by Marika Humphreys-Baranova and Vitaliy Baranov. Zdravkova and Davis returned to national level competition at the 201617 Bulgarian figure skating championships where they reclaimed their title. In 2018 Zdravkova and Davis first performed a program set to Bulgarian folk music. Their performance of this program at the 2019 Winter Universiade went viral in Bulgaria in 2019, amassing millions of views. During the 201920 season, Zdravkova and Davis qualified and competed at the 2020 European Figure Skating Championships placing 25th. The team also qualified for the 2020 World figure skating championships, but the event was cancelled due to COVID-19. Due to COVID-19 Zdravkova and Davis were unable to train on the ice for over 7 months. During this time they trained off-ice and made several PSAs for Bulgarian media urging compliance with public health safety measures. In December 2020, the Bulgarian National Championships were postponed until February 2021. Zdravkova and Davis reclaimed their title and were named to the world team. Zdravkova and Davis competed at the 