Table:
|  | 2019 | 2018 (1) | 2017 (2) |
| --- | --- | --- | --- |
| Tower and network location intangible assets | $77.4 | $284.9 | $108.7 |
| Tenant relationships | — | 107.3 | 100.1 |
| Other (3) | 16.8 | 1.8 | 2.6 |
| Total impairment charges | $94.2 | $394.0 | $211.4 |
Paragraphs:
AMERICAN TOWER CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Tabular amounts in millions, unless otherwise disclosed)
17. OTHER OPERATING EXPENSE
Other operating expense consists primarily of impairment charges, net losses on sales or disposals of assets and other operating expense items. The Company records impairment charges to write down certain assets to their net realizable value after an indicator of impairment is identified and subsequent analysis determines that the asset is either partially recoverable or not recoverable. These assets consisted primarily of towers and related assets, which are typically assessed on an individual basis, network location intangibles, which relate directly to towers, and tenant-related intangibles, which are assessed on a tenant basis. Net losses on sales or disposals of assets primarily relate to certain non-core towers, other assets and miscellaneous items. Other operating expenses includes acquisition-related costs and integration costs.
Impairment charges included the following for the years ended December 31,:
(1) For the year ended December 31, 2018, impairment charges on tower and network location intangible assets included $258.3 million in India primarily related to carrier consolidation-driven churn events. In addition, the Company fully impaired the tenant relationship for Aircel Ltd., which resulted in an impairment charge of $107.3 million.
(2) During the year ended December 31, 2017, $81.0 million of impairment charges on tower and network location intangible assets and all impairment charges on tenant relationships were related to carrier consolidation-driven churn in India.
(3) For the year ended December 31, 2019, amount includes impairment charges related to right-of-use assets and land easements.
Question:
What were the Tower and network location intangible assets in 2019?
Answer: $77.4