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Property and equipment, net
12 Months Ended
Dec. 31, 2018
Property and equipment, net [Abstract]  
Property and equipment, net
13.
Property and equipment, net
 
Property and equipment consists of the following:
 
 
 
December 31,
 
 
 
2017
 
 
2018
 
 
 
RMB
 
 
RMB
 
 
 
 
 
 
 
 
Gross carrying amount
 
 
 
 
 
 
 
 
Buildings
 
 
731,640
 
 
 
857,020
 
Servers, computers and equipment
 
 
588,589
 
 
 
679,735
 
Construction in progress
 
 
44,103
 
 
 
211,657
 
Decoration of buildings
 
 
100,711
 
 
 
103,305
 
Motor vehicles
 
 
27,330
 
 
 
38,407
 
Furniture, fixture and office equipment
 
 
24,102
 
 
 
26,439
 
Leasehold improvements
 
 
18,651
 
 
 
22,913
 
 
 
 
 
 
 
 
 
 
Total
 
 
1,535,126
 
 
 
1,939,476
 
Less: accumulated depreciation
 
 
(518,128
)
 
 
(643,157
)
 
 
 
 
 
 
 
 
 
Property and equipment, net
 
 
1,016,998
 
 
 
1,296,319
 
 
Depreciation expense for the years ended December 31, 2016, 2017 and 2018 were RMB173,625, RMB176,715, and RMB150,991, respectively.