Table:
Howrah Bridge

The Howrah Bridge

Coordinates	22°35′06″N 88°20′49″E﻿ / ﻿22.5851°N 88.3469°E﻿ / 22.5851; 88.3469
Carries	4 lanes[1] of Strand Road,[2] pedestrians and bicycles
Crosses	Hooghly River
Locale	Howrah and Kolkata
Official name	Rabindra Setu
Maintained by	Kolkata Port Trust[3]
Characteristics
Design	Suspension type Balanced Cantilever[4] and truss arch[5]
Material	Steel
Total length	705 m (2,313.0 ft)[6][7]
Width	71 ft (21.6 m) with two footpaths of 15 ft (4.6 m) on either side[4]
Height	82 m (269.0 ft)[5]
Longest span	1,500 ft (457.2 m)[4][5]
Clearance above	5.8 m (19.0 ft)[4]
Clearance below	8.8 m (28.9 ft)[4]
History
Designer	and Tritton[8]
Constructed by	Braithwaite, Burn & Jessop Construction
Construction start	1936 (1936)[8]
Construction end	1942 (1942)[8]
Opened	3 Feb 1943; 81 years ago (3 Feb 1943)[7]
Statistics
Daily traffic	300,000 vehicles and 450,000 pedestrians[9]
Toll	Free both ways
Location

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The picture contains a table. You task is to identify any merged cells in this table, and output the scope of each merged cell using the JSON format of {'top-left':(A, B), 'bottom-right':(C, D)}. The row id and column id should start from 1.

The merged cell area is: {'top-left':(1, 1), 'bottom-right':(1, 2)}.