Ask around Lhasa No.7 Middle School and Tibet Hotel: You can ask residents or business people around to see if there is a piano training center or private tutor nearby.

Search on the Internet: Enter the keyword "Lhasa No.7 Middle School, piano training near Tibet Hotel" on the search engine or social media, and relevant information may appear.

Ask the local conservatory of music or art school: They may have piano training services provided by students or teachers near Lhasa No.7 Middle School or Tibet Hotel.

Advertise around Lhasa No.7 Middle School and Tibet Hotel or advertise on social media to seek piano training information.

I hope the above suggestions will help you, and I wish you find a satisfactory piano training place.