When Avalara Hawk Tower, part of a $350 million development in Seattle that overlooks CenturyLink Field, was still just a vacant lot, prospective tenants could get a view of the city from the top floor, peering 240 feet down into the stadium where the Seahawks and the Sounders play. The vantage point offered views of Pioneer Square, the ferry terminal and Elliott Bay beyond. Snow-capped Mount Rainier, the highest mountain in the Cascade Range, loomed in the distance.