What kind of flower is this? (at the hotel)

Dendrobium (hú) Orchidaceae, one of Orchidaceae plants, is mainly distributed in tropical and subtropical Asia, Australia and Pacific islands, and most of China is distributed in Southwest China, South China and Taiwan Province Province. The main species of Dendrobium are Dendrobium nobile, Dendrobium densiflora and Dendrobium drumstick. It can be used as medicine, named Dendrobium, which has therapeutic effects on human body, such as eliminating deficiency heat, benefiting essence and strengthening yin. With the rise of flower industry, Dendrobium has also become an ornamental plant.