lidon. 

露

游泳
lido[ noun ]a recreational facility including a swimming pool for water sports<noun.artifact> 
lido \lido\ n.
1. [After the Lido, a group of sandy barrier islands between
the lagoon of Venice and the Adriatic, a popular beach
resort.] A recreational facility, especially one including
a swimming pool for water sports. [British]
[WordNet 1.5]