Kew diploma student Sal Demain puts the finishing touches to the horticultural display of Kew Orchid Festival 2019 to be held at Kew Gardens in London, capital of Britain, Feb. 7, 2019. Running from Feb. 9 to March 10, the Festival is themed on the country of Colombia for the first time, and features over 6,200 colorful orchids and hundreds of other tropical plants. (Xinhua/Han Yan)